diff --git a/intermediate/01-high-level-computation-patterns.ipynb b/intermediate/01-high-level-computation-patterns.ipynb
index 7f9f06be..5aa3940f 100644
--- a/intermediate/01-high-level-computation-patterns.ipynb
+++ b/intermediate/01-high-level-computation-patterns.ipynb
@@ -127,7 +127,7 @@
     "xr.set_options(keep_attrs=True, display_expand_data=False)\n",
     "\n",
     "da = xr.tutorial.load_dataset(\"air_temperature\", engine=\"netcdf4\").air\n",
-    "monthly = da.resample(time=\"M\").mean()\n",
+    "monthly = da.resample(time=\"ME\").mean()\n",
     "data = da.isel(time=0)\n",
     "data.plot();"
    ]
@@ -1044,7 +1044,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "da.resample(time=\"M\")"
+    "da.resample(time=\"ME\")"
    ]
   },
   {