diff --git a/src/libstd/time/mod.rs b/src/libstd/time/mod.rs
index 3e01ed894b8..f74d2656076 100644
--- a/src/libstd/time/mod.rs
+++ b/src/libstd/time/mod.rs
@@ -22,8 +22,7 @@ pub use self::duration::Duration;
 
 mod duration;
 
-/// A measurement of a monotonically increasing clock which is suitable for
-/// measuring the amount of time that an operation takes.
+/// A measurement of a monotonically increasing clock.
 ///
 /// Instants are guaranteed always be greater than any previously measured
 /// instant when created, and are often useful for tasks such as measuring