diff --git a/git-change.rst b/git-change.rst
index 4700a0f..6bec78f 100644
--- a/git-change.rst
+++ b/git-change.rst
@@ -23,6 +23,7 @@ SYNOPSIS
 | `git change` list
 | `git change` submit
 | `git change` gc
+| `git change` clean
 | `git change` print [<print-options>]
 
 
@@ -108,6 +109,10 @@ gc
 
     Remove temporary change branches which are fully merged.
 
+clean
+
+    Remove all temporary change branches (unmerged branches included).
+
 print [-r|--reviewers=] [--cc=] [-b|--bug=]
 
     Print the command to push a change to Gerrit. This can be useful