diff --git a/roles/setup-devstack-source-dirs/README.rst b/roles/setup-devstack-source-dirs/README.rst
index 4129eae383..49d22c3c64 100644
--- a/roles/setup-devstack-source-dirs/README.rst
+++ b/roles/setup-devstack-source-dirs/README.rst
@@ -10,7 +10,7 @@ into it.
 
    The devstack base directory.
 
- .. zuul:rolevar:: devstack_branch
+ .. zuul:rolevar:: devstack_sources_branch
     :default: None
 
     The target branch to be setup (where available).