diff --git a/src/libstd/priority_queue.rs b/src/libstd/priority_queue.rs
index 4260a3e959e..9a4549dcf65 100644
--- a/src/libstd/priority_queue.rs
+++ b/src/libstd/priority_queue.rs
@@ -1,5 +1,6 @@
 
-/// A priority queue implemented with a binary heap
+//! A priority queue implemented with a binary heap
+
 use core::cmp::Ord;
 use ptr::addr_of;