diff --git a/src/libcore/cmp.rs b/src/libcore/cmp.rs
index 942a236fe9e9..07f02b9c6852 100644
--- a/src/libcore/cmp.rs
+++ b/src/libcore/cmp.rs
@@ -246,7 +246,7 @@ impl Ordering {
         }
     }
 
-    /// Chain two orderings.
+    /// Chains two orderings.
     ///
     /// Returns `self` when it's not `Equal`. Otherwise returns `other`.
     /// # Examples
@@ -280,7 +280,7 @@ impl Ordering {
         }
     }
 
-    /// Chain the ordering with given function.
+    /// Chains the ordering with the given function.
     ///
     /// Returns `self` when it's not `Equal`. Otherwise calls `f` and returns
     /// the result.