diff --git a/docs/tools/qemu-img.rst b/docs/tools/qemu-img.rst
index 69cd9a3037..7f0737488a 100644
--- a/docs/tools/qemu-img.rst
+++ b/docs/tools/qemu-img.rst
@@ -300,7 +300,7 @@ Command description:
 
   ``--disable`` to change *BITMAP* to stop recording future edits.
 
-  ``--merge`` to merge the contents of *SOURCE_BITMAP* into *BITMAP*.
+  ``--merge`` to merge the contents of the *SOURCE* bitmap into *BITMAP*.
 
   Additional options include ``-g`` which sets a non-default
   *GRANULARITY* for ``--add``, and ``-b`` and ``-F`` which select an