diff --git a/crates/core_arch/src/mips/msa.rs b/crates/core_arch/src/mips/msa.rs
index 85ed30d18e..cded73a544 100644
--- a/crates/core_arch/src/mips/msa.rs
+++ b/crates/core_arch/src/mips/msa.rs
@@ -2208,7 +2208,7 @@ pub unsafe fn __msa_bmnz_v(a: v16u8, b: v16u8, c: v16u8) -> v16u8 {
 /// Immediate Bit Move If Not Zero
 ///
 /// Copy to destination vector `a` (sixteen unsigned 8-bit integer numbers) all bits from source vector
-/// `b` (sixteen unsigned 8-bit integer numbers) for which the corresponding bits from from immediate `imm8`
+/// `b` (sixteen unsigned 8-bit integer numbers) for which the corresponding bits from immediate `imm8`
 /// are 1 and leaves unchanged all destination bits for which the corresponding target bits are 0.
 ///
 #[inline]
@@ -2237,7 +2237,7 @@ pub unsafe fn __msa_bmz_v(a: v16u8, b: v16u8, c: v16u8) -> v16u8 {
 /// Immediate Bit Move If Zero
 ///
 /// Copy to destination vector `a` (sixteen unsigned 8-bit integer numbers) all bits from source vector
-/// `b` (sixteen unsigned 8-bit integer numbers) for which the corresponding bits from from immediate `imm8`
+/// `b` (sixteen unsigned 8-bit integer numbers) for which the corresponding bits from immediate `imm8`
 /// are 0 and leaves unchanged all destination bits for which the corresponding immediate bits are 1.
 ///
 #[inline]
diff --git a/crates/core_arch/src/mod.rs b/crates/core_arch/src/mod.rs
index 2f7af22cbb..231d89e339 100644
--- a/crates/core_arch/src/mod.rs
+++ b/crates/core_arch/src/mod.rs
@@ -155,7 +155,7 @@ pub mod arch {
     /// which support SIMD, or it will not have SIMD at all. For compatibility
     /// the standard library itself does not use any SIMD internally.
     /// Determining how best to ship your WebAssembly binary with SIMD is
-    /// largely left up to you as it can can be pretty nuanced depending on
+    /// largely left up to you as it can be pretty nuanced depending on
     /// your situation.
     ///
     /// [condsections]: https://github.com/webassembly/conditional-sections
diff --git a/crates/core_arch/src/x86/avx.rs b/crates/core_arch/src/x86/avx.rs
index ad9e68db67..f8e83a35bf 100644
--- a/crates/core_arch/src/x86/avx.rs
+++ b/crates/core_arch/src/x86/avx.rs
@@ -2450,7 +2450,7 @@ pub unsafe fn _mm256_set1_epi8(a: i8) -> __m256i {
     )
 }
 
-/// Broadcasts 16-bit integer `a` to all all elements of returned vector.
+/// Broadcasts 16-bit integer `a` to all elements of returned vector.
 /// This intrinsic may generate the `vpbroadcastw`.
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_set1_epi16)
diff --git a/crates/core_arch/src/x86/avx512bf16.rs b/crates/core_arch/src/x86/avx512bf16.rs
index e9977e0188..b21ededabc 100644
--- a/crates/core_arch/src/x86/avx512bf16.rs
+++ b/crates/core_arch/src/x86/avx512bf16.rs
@@ -80,7 +80,7 @@ pub unsafe fn _mm256_cvtne2ps_pbh(a: __m256, b: __m256) -> __m256bh {
 }
 
 /// Convert packed single-precision (32-bit) floating-point elements in two vectors a and b
-/// to packed BF16 (16-bit) floating-point elements and and store the results in single vector
+/// to packed BF16 (16-bit) floating-point elements and store the results in single vector
 /// dst using writemask k (elements are copied from src when the corresponding mask bit is not set).
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#expand=1769,1651,1654&avx512techs=AVX512_BF16&text=_mm256_mask_cvtne2ps_pbh)
 #[inline]
diff --git a/crates/core_arch/src/x86/avx512bitalg.rs b/crates/core_arch/src/x86/avx512bitalg.rs
index 3c9df3912f..1099ee2cbb 100644
--- a/crates/core_arch/src/x86/avx512bitalg.rs
+++ b/crates/core_arch/src/x86/avx512bitalg.rs
@@ -303,7 +303,7 @@ pub unsafe fn _mm_mask_popcnt_epi8(src: __m128i, k: __mmask16, a: __m128i) -> __
 }
 
 /// Considers the input `b` as packed 64-bit integers and `c` as packed 8-bit integers.
-/// Then groups 8 8-bit values from `c`as indices into the the bits of the corresponding 64-bit integer.
+/// Then groups 8 8-bit values from `c`as indices into the bits of the corresponding 64-bit integer.
 /// It then selects these bits and packs them into the output.
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_bitshuffle_epi64_mask)
@@ -315,7 +315,7 @@ pub unsafe fn _mm512_bitshuffle_epi64_mask(b: __m512i, c: __m512i) -> __mmask64
 }
 
 /// Considers the input `b` as packed 64-bit integers and `c` as packed 8-bit integers.
-/// Then groups 8 8-bit values from `c`as indices into the the bits of the corresponding 64-bit integer.
+/// Then groups 8 8-bit values from `c`as indices into the bits of the corresponding 64-bit integer.
 /// It then selects these bits and packs them into the output.
 ///
 /// Uses the writemask in k - elements are zeroed in the result if the corresponding mask bit is not set.
@@ -330,7 +330,7 @@ pub unsafe fn _mm512_mask_bitshuffle_epi64_mask(k: __mmask64, b: __m512i, c: __m
 }
 
 /// Considers the input `b` as packed 64-bit integers and `c` as packed 8-bit integers.
-/// Then groups 8 8-bit values from `c`as indices into the the bits of the corresponding 64-bit integer.
+/// Then groups 8 8-bit values from `c`as indices into the bits of the corresponding 64-bit integer.
 /// It then selects these bits and packs them into the output.
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_bitshuffle_epi64_mask)
@@ -342,7 +342,7 @@ pub unsafe fn _mm256_bitshuffle_epi64_mask(b: __m256i, c: __m256i) -> __mmask32
 }
 
 /// Considers the input `b` as packed 64-bit integers and `c` as packed 8-bit integers.
-/// Then groups 8 8-bit values from `c`as indices into the the bits of the corresponding 64-bit integer.
+/// Then groups 8 8-bit values from `c`as indices into the bits of the corresponding 64-bit integer.
 /// It then selects these bits and packs them into the output.
 ///
 /// Uses the writemask in k - elements are zeroed in the result if the corresponding mask bit is not set.
@@ -357,7 +357,7 @@ pub unsafe fn _mm256_mask_bitshuffle_epi64_mask(k: __mmask32, b: __m256i, c: __m
 }
 
 /// Considers the input `b` as packed 64-bit integers and `c` as packed 8-bit integers.
-/// Then groups 8 8-bit values from `c`as indices into the the bits of the corresponding 64-bit integer.
+/// Then groups 8 8-bit values from `c`as indices into the bits of the corresponding 64-bit integer.
 /// It then selects these bits and packs them into the output.
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_bitshuffle_epi64_mask)
@@ -369,7 +369,7 @@ pub unsafe fn _mm_bitshuffle_epi64_mask(b: __m128i, c: __m128i) -> __mmask16 {
 }
 
 /// Considers the input `b` as packed 64-bit integers and `c` as packed 8-bit integers.
-/// Then groups 8 8-bit values from `c`as indices into the the bits of the corresponding 64-bit integer.
+/// Then groups 8 8-bit values from `c`as indices into the bits of the corresponding 64-bit integer.
 /// It then selects these bits and packs them into the output.
 ///
 /// Uses the writemask in k - elements are zeroed in the result if the corresponding mask bit is not set.
diff --git a/crates/core_arch/src/x86/avx512bw.rs b/crates/core_arch/src/x86/avx512bw.rs
index 49d78ed60f..fbf71dfc45 100644
--- a/crates/core_arch/src/x86/avx512bw.rs
+++ b/crates/core_arch/src/x86/avx512bw.rs
@@ -7450,7 +7450,7 @@ pub unsafe fn _mm_maskz_set1_epi8(k: __mmask16, a: i8) -> __m128i {
     transmute(simd_select_bitmask(k, r, zero))
 }
 
-/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from from a to dst.
+/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from a to dst.
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_shufflelo_epi16&expand=5221)
 #[inline]
@@ -7501,7 +7501,7 @@ pub unsafe fn _mm512_shufflelo_epi16<const IMM8: i32>(a: __m512i) -> __m512i {
     transmute(r)
 }
 
-/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_mask_shufflelo_epi16&expand=5219)
 #[inline]
@@ -7518,7 +7518,7 @@ pub unsafe fn _mm512_mask_shufflelo_epi16<const IMM8: i32>(
     transmute(simd_select_bitmask(k, r.as_i16x32(), src.as_i16x32()))
 }
 
-/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from from a to dst, using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from a to dst, using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_maskz_shufflelo_epi16&expand=5220)
 #[inline]
@@ -7532,7 +7532,7 @@ pub unsafe fn _mm512_maskz_shufflelo_epi16<const IMM8: i32>(k: __mmask32, a: __m
     transmute(simd_select_bitmask(k, r.as_i16x32(), zero))
 }
 
-/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_mask_shufflelo_epi16&expand=5216)
 #[inline]
@@ -7549,7 +7549,7 @@ pub unsafe fn _mm256_mask_shufflelo_epi16<const IMM8: i32>(
     transmute(simd_select_bitmask(k, shuffle.as_i16x16(), src.as_i16x16()))
 }
 
-/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_maskz_shufflelo_epi16&expand=5217)
 #[inline]
@@ -7563,7 +7563,7 @@ pub unsafe fn _mm256_maskz_shufflelo_epi16<const IMM8: i32>(k: __mmask16, a: __m
     transmute(simd_select_bitmask(k, shuffle.as_i16x16(), zero))
 }
 
-/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_mask_shufflelo_epi16&expand=5213)
 #[inline]
@@ -7580,7 +7580,7 @@ pub unsafe fn _mm_mask_shufflelo_epi16<const IMM8: i32>(
     transmute(simd_select_bitmask(k, shuffle.as_i16x8(), src.as_i16x8()))
 }
 
-/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the low 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the low 64 bits of 128-bit lanes of dst, with the high 64 bits of 128-bit lanes being copied from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_maskz_shufflelo_epi16&expand=5214)
 #[inline]
@@ -7594,7 +7594,7 @@ pub unsafe fn _mm_maskz_shufflelo_epi16<const IMM8: i32>(k: __mmask8, a: __m128i
     transmute(simd_select_bitmask(k, shuffle.as_i16x8(), zero))
 }
 
-/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from from a to dst.
+/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from a to dst.
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_shufflehi_epi16&expand=5212)
 #[inline]
@@ -7645,7 +7645,7 @@ pub unsafe fn _mm512_shufflehi_epi16<const IMM8: i32>(a: __m512i) -> __m512i {
     transmute(r)
 }
 
-/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_mask_shufflehi_epi16&expand=5210)
 #[inline]
@@ -7662,7 +7662,7 @@ pub unsafe fn _mm512_mask_shufflehi_epi16<const IMM8: i32>(
     transmute(simd_select_bitmask(k, r.as_i16x32(), src.as_i16x32()))
 }
 
-/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from from a to dst, using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from a to dst, using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_maskz_shufflehi_epi16&expand=5211)
 #[inline]
@@ -7676,7 +7676,7 @@ pub unsafe fn _mm512_maskz_shufflehi_epi16<const IMM8: i32>(k: __mmask32, a: __m
     transmute(simd_select_bitmask(k, r.as_i16x32(), zero))
 }
 
-/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_mask_shufflehi_epi16&expand=5207)
 #[inline]
@@ -7693,7 +7693,7 @@ pub unsafe fn _mm256_mask_shufflehi_epi16<const IMM8: i32>(
     transmute(simd_select_bitmask(k, shuffle.as_i16x16(), src.as_i16x16()))
 }
 
-/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from from a to dst, using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from a to dst, using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_maskz_shufflehi_epi16&expand=5208)
 #[inline]
@@ -7707,7 +7707,7 @@ pub unsafe fn _mm256_maskz_shufflehi_epi16<const IMM8: i32>(k: __mmask16, a: __m
     transmute(simd_select_bitmask(k, shuffle.as_i16x16(), zero))
 }
 
-/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from a to dst, using writemask k (elements are copied from src when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_mask_shufflehi_epi16&expand=5204)
 #[inline]
@@ -7724,7 +7724,7 @@ pub unsafe fn _mm_mask_shufflehi_epi16<const IMM8: i32>(
     transmute(simd_select_bitmask(k, shuffle.as_i16x8(), src.as_i16x8()))
 }
 
-/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from from a to dst, using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
+/// Shuffle 16-bit integers in the high 64 bits of 128-bit lanes of a using the control in imm8. Store the results in the high 64 bits of 128-bit lanes of dst, with the low 64 bits of 128-bit lanes being copied from a to dst, using zeromask k (elements are zeroed out when the corresponding mask bit is not set).
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_maskz_shufflehi_epi16&expand=5205)
 #[inline]
diff --git a/crates/core_arch/src/x86/avx512f.rs b/crates/core_arch/src/x86/avx512f.rs
index f70a284667..0ddb512836 100644
--- a/crates/core_arch/src/x86/avx512f.rs
+++ b/crates/core_arch/src/x86/avx512f.rs
@@ -26268,7 +26268,7 @@ pub unsafe fn _mm512_set1_epi8(a: i8) -> __m512i {
     transmute(i8x64::splat(a))
 }
 
-/// Broadcast the low packed 16-bit integer from a to all all elements of dst.
+/// Broadcast the low packed 16-bit integer from a to all elements of dst.
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_set1_epi16&expand=4944)
 #[inline]
diff --git a/crates/core_arch/src/x86/sse2.rs b/crates/core_arch/src/x86/sse2.rs
index 3e79b35395..b32fb44c03 100644
--- a/crates/core_arch/src/x86/sse2.rs
+++ b/crates/core_arch/src/x86/sse2.rs
@@ -1409,7 +1409,7 @@ pub unsafe fn _mm_shuffle_epi32<const IMM8: i32>(a: __m128i) -> __m128i {
 /// `IMM8`.
 ///
 /// Put the results in the high 64 bits of the returned vector, with the low 64
-/// bits being copied from from `a`.
+/// bits being copied from `a`.
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_shufflehi_epi16)
 #[inline]
@@ -1441,7 +1441,7 @@ pub unsafe fn _mm_shufflehi_epi16<const IMM8: i32>(a: __m128i) -> __m128i {
 /// `IMM8`.
 ///
 /// Put the results in the low 64 bits of the returned vector, with the high 64
-/// bits being copied from from `a`.
+/// bits being copied from `a`.
 ///
 /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_shufflelo_epi16)
 #[inline]
diff --git a/crates/core_arch/src/x86/sse42.rs b/crates/core_arch/src/x86/sse42.rs
index f474b0671d..e33a2d3de7 100644
--- a/crates/core_arch/src/x86/sse42.rs
+++ b/crates/core_arch/src/x86/sse42.rs
@@ -614,7 +614,7 @@ mod tests {
     use crate::core_arch::x86::*;
     use std::ptr;
 
-    // Currently one cannot `load` a &[u8] that is is less than 16
+    // Currently one cannot `load` a &[u8] that is less than 16
     // in length. This makes loading strings less than 16 in length
     // a bit difficult. Rather than `load` and mutate the __m128i,
     // it is easier to memcpy the given string to a local slice with
diff --git a/crates/std_detect/src/detect/cache.rs b/crates/std_detect/src/detect/cache.rs
index d01a5ea244..a94c655c3a 100644
--- a/crates/std_detect/src/detect/cache.rs
+++ b/crates/std_detect/src/detect/cache.rs
@@ -179,7 +179,7 @@ fn detect_and_initialize() -> Initializer {
 /// the bit is set, the feature is enabled, and otherwise it is disabled.
 ///
 /// If the feature `std_detect_env_override` is enabled looks for the env
-/// variable `RUST_STD_DETECT_UNSTABLE` and uses its its content to disable
+/// variable `RUST_STD_DETECT_UNSTABLE` and uses its content to disable
 /// Features that would had been otherwise detected.
 #[inline]
 pub(crate) fn test(bit: u32) -> bool {