commit it to the release branch; it will be merged to the master
branch later by the gitmerge function.
+Documentation fixes (in doc strings, in manuals, and in comments)
+should always go to the release branch, if the documentation to be
+fixed exists and is relevant to the release-branch codebase.
+
However, if you know that the change will be difficult to merge to the
master (e.g., because the code on master has changed a lot), you can
apply the change to both master and branch yourself. It could also