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-rw-r--r--src/liballoc/rc.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs
index c24c7ca47ad..dadddbc2cb3 100644
--- a/src/liballoc/rc.rs
+++ b/src/liballoc/rc.rs
@@ -870,6 +870,7 @@ impl<T: ?Sized + fmt::Debug> fmt::Debug for Weak<T> {
 
 #[stable(feature = "downgraded_weak", since = "1.10.0")]
 impl<T> Default for Weak<T> {
+    /// Creates a new `Weak<T>`.
     fn default() -> Weak<T> {
         Weak::new()
     }