diff --git a/doc/versioning/submod_versioning.md b/doc/versioning/submod_versioning.md
index 4b7e98e..ab80ab4 100644
--- a/doc/versioning/submod_versioning.md
+++ b/doc/versioning/submod_versioning.md
@@ -545,7 +545,7 @@ If new entries appear in .gitmodules with the pull, they will not be processed a
 the sequence of pull and "submodule update".
 
 
-
+(changing-a-submodule-branch)=
 #### Changing a Submodule Branch
 
 This scenario describes the change of a submodule to another existing