diff --git a/src/libstd/collections/hash/set.rs b/src/libstd/collections/hash/set.rs
index d4cef2ab07adf..bb7a96bfb4bd6 100644
--- a/src/libstd/collections/hash/set.rs
+++ b/src/libstd/collections/hash/set.rs
@@ -544,10 +544,7 @@ impl<T, S> HashSet<T, S>
     ///
     /// If the set did not have a value present, `true` is returned.
     ///
-    /// If the set did have this key present, that value is returned, and the
-    /// entry is not updated. See the [module-level documentation] for more.
-    ///
-    /// [module-level documentation]: index.html#insert-and-complex-keys
+    /// If the set did have this key present, `false` is returned.
     ///
     /// # Examples
     ///