diff --git a/src/librustdoc/html/layout.rs b/src/librustdoc/html/layout.rs
index a53884ca047d1..798cc6a612cde 100644
--- a/src/librustdoc/html/layout.rs
+++ b/src/librustdoc/html/layout.rs
@@ -111,6 +111,10 @@ r##"
trait, typedef (or
tdef).
+ Search functions by type signature (e.g.
+ vec -> usize)
+