diff --git a/src/libstd/time/mod.rs b/src/libstd/time/mod.rs
index 839d2188f3d0..e8eb4abaa40c 100644
--- a/src/libstd/time/mod.rs
+++ b/src/libstd/time/mod.rs
@@ -36,7 +36,7 @@ mod duration;
 /// A measurement of a monotonically nondecreasing clock.
 /// Opaque and useful only with `Duration`.
 ///
-/// Instants are always guaranteed to no less than any previously measured
+/// Instants are always guaranteed to be no less than any previously measured
 /// instant when created, and are often useful for tasks such as measuring
 /// benchmarks or timing how long an operation takes.
 ///