diff --git a/doc/groovy/octomap_mapping.rosinstall b/doc/groovy/octomap_mapping.rosinstall
index 9fa8041a42373..eceb60387a95b 100644
--- a/doc/groovy/octomap_mapping.rosinstall
+++ b/doc/groovy/octomap_mapping.rosinstall
@@ -1,4 +1,4 @@
-- git
+- git:
     local-name: octomap_msgs
     uri: https://github.com/OctoMap/octomap_msgs.git
     version: groovy-devel