diff --git a/scripts/py_matter_idl/matter_idl/matter_idl_parser.py b/scripts/py_matter_idl/matter_idl/matter_idl_parser.py
index 2ac3958da7a6c5..e33c0c7e872502 100755
--- a/scripts/py_matter_idl/matter_idl/matter_idl_parser.py
+++ b/scripts/py_matter_idl/matter_idl/matter_idl_parser.py
@@ -556,6 +556,9 @@ def parse(self, file: str, file_name: Optional[str] = None):
         #       ordering.
         #
         # As a result, for now allow multiple definitions IF AND ONLY IF identical
+        #
+        # A zap PR to allow us to not need this is:
+        #    https://github.com/project-chip/zap/pull/1216
         clusters: Dict[int, Cluster] = {}
         for c in idl.clusters:
             if c.code in clusters: