diff --git a/tools/cluster-merge b/tools/cluster-merge
index cff79dda7120b715595fadd63abe1afda29408ff..148608ecf0cd539393ebc99c5260d8e5eabc92d2 100755
--- a/tools/cluster-merge
+++ b/tools/cluster-merge
@@ -613,6 +613,7 @@ class Merger(object):
                                 (result.fail_reason, result.output))
 
   # R0201: Method could be a function
+  # TODO: make this overridable, for some verify errors
   def _VerifyCluster(self): # pylint: disable-msg=R0201
     """Runs gnt-cluster verify to verify the health.