diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs
index 1b2acdc5a0df1..3678bb091e7d0 100644
--- a/library/core/src/num/uint_macros.rs
+++ b/library/core/src/num/uint_macros.rs
@@ -3343,7 +3343,7 @@ macro_rules! uint_impl {
             }
         }
 
-        /// Returns `true` if and only if `self == 2^k` for some `k`.
+        /// Returns `true` if and only if `self == 2^k` for some unsigned integer `k`.
         ///
         /// # Examples
         ///