diff --git a/src/libcore/hashmap.rs b/src/libcore/hashmap.rs
index 2d3eb4de4d4c..0d4119e1a1be 100644
--- a/src/libcore/hashmap.rs
+++ b/src/libcore/hashmap.rs
@@ -348,6 +348,7 @@ pub mod linear {
     }
 
     pub impl<K:Hash IterBytes Eq,V> LinearMap<K,V> {
+        /// Create an empty LinearMap
         static fn new() -> LinearMap<K, V> {
             linear_map_with_capacity(INITIAL_CAPACITY)
         }