diff --git a/library/stdarch/crates/core_arch/src/powerpc/altivec.rs b/library/stdarch/crates/core_arch/src/powerpc/altivec.rs
index ae10377cee59..03f6aae20c4f 100644
--- a/library/stdarch/crates/core_arch/src/powerpc/altivec.rs
+++ b/library/stdarch/crates/core_arch/src/powerpc/altivec.rs
@@ -2566,7 +2566,7 @@ pub unsafe fn vec_cmpb(a: vector_float, b: vector_float) -> vector_signed_int {
     sealed::vec_vcmpbfp(a, b)
 }
 
-/// Vector cmpb.
+/// Vector ceil.
 #[inline]
 #[target_feature(enable = "altivec")]
 pub unsafe fn vec_ceil(a: vector_float) -> vector_float {