Merge pull request #1850 from iampi31415/patch-1

Fix(typo): 'though' should be 'through'

Author: ehuss

src/expressions/field-expr.md

@@ -54,7 +54,7 @@ r[expr.field.borrow]
 
 The fields of a struct or a reference to a struct are treated as separate entities when borrowing.
 If the struct does not implement [`Drop`] and is stored in a local variable, this also applies to moving out of each of its fields.
-This also does not apply if automatic dereferencing is done though user-defined types other than [`Box`].
+This also does not apply if automatic dereferencing is done through user-defined types other than [`Box`].
 
 ```rust
 struct A { f1: String, f2: String, f3: String }