diff --git a/library/stdarch/stdsimd/mod.rs b/library/stdarch/stdsimd/mod.rs
index 462a74b97272..11d1d024890f 100644
--- a/library/stdarch/stdsimd/mod.rs
+++ b/library/stdarch/stdsimd/mod.rs
@@ -164,7 +164,7 @@
 /// across all machines and it'll use the optimized AVX2 implementation on
 /// machines where support is detected.
 ///
-/// # Ergnomics
+/// # Ergonomics
 ///
 /// It's important to note that using the `arch` module is not the easiest thing
 /// in the world, so if you're curious to try it out you may want to brace