diff --git a/Documentation/git-read-tree.txt b/Documentation/git-read-tree.txt
index 5c70bc2..1e81f9c 100644
--- a/Documentation/git-read-tree.txt
+++ b/Documentation/git-read-tree.txt
@@ -128,6 +128,10 @@
 	Instead of reading tree object(s) into the index, just empty
 	it.
 
+-q::
+--quiet::
+	Quiet, suppress feedback messages.
+
 <tree-ish#>::
 	The id of the tree object(s) to be read/merged.