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-rw-r--r--src/librustdoc/html/layout.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/librustdoc/html/layout.rs b/src/librustdoc/html/layout.rs
index a168fe98a94..265ed6be155 100644
--- a/src/librustdoc/html/layout.rs
+++ b/src/librustdoc/html/layout.rs
@@ -103,6 +103,8 @@ r##"<!DOCTYPE html>
                     <dd>Move down in search results</dd>
                     <dt>&#9166;</dt>
                     <dd>Go to active search result</dd>
+                    <dt>+</dt>
+                    <dd>Collapse/expand all sections</dd>
                 </dl>
             </div>