diff --git a/colorbleed/plugins/maya/publish/validate_look_members_unique.py b/colorbleed/plugins/maya/publish/validate_look_members_unique.py
index 9391b086dd..65ebeda5c3 100644
--- a/colorbleed/plugins/maya/publish/validate_look_members_unique.py
+++ b/colorbleed/plugins/maya/publish/validate_look_members_unique.py
@@ -8,18 +8,19 @@ class ValidateUniqueRelationshipMembers(pyblish.api.InstancePlugin):
     """Validate the relational nodes of the look data to ensure every node is
     unique.
 
-    This ensures the all member ids are unique.
+    This ensures the all member ids are unique. Every node id must be from
+    a single node in the scene.
 
     That means there's only ever one of a specific node inside the look to be
     published. For example if you'd have a loaded 3x the same tree and by
     accident you're trying to publish them all together in a single look that
-    would be invalid, because they are the same tree it should be included
+    would be invalid, because they are the same tree. It should be included
     inside the look instance only once.
 
     """
 
     order = colorbleed.api.ValidatePipelineOrder
-    label = 'Unique Relationship Members (ID)'
+    label = 'Look members unique'
     hosts = ['maya']
     families = ['colorbleed.lookdev']
 
@@ -31,22 +32,39 @@ class ValidateUniqueRelationshipMembers(pyblish.api.InstancePlugin):
 
         invalid = self.get_invalid(instance)
         if invalid:
-            raise RuntimeError("Members found without asset IDs: "
+            raise RuntimeError("Members found without non-unique IDs: "
                                "{0}".format(invalid))
 
     @staticmethod
     def get_invalid(instance):
+        """
+        Check all the relationship members of the objectSets
+
+        Example of the lookData relationships:
+        {"uuid": 59b2bb27bda2cb2776206dd8:79ab0a63ffdf,
+         "members":[{"uuid": 59b2bb27bda2cb2776206dd8:1b158cc7496e,
+                     "name": |model_GRP|body_GES|body_GESShape}
+                     ...,
+                     ...]}
+
+        Args:
+            instance:
+
+        Returns:
+
+        """
 
         # Get all members from the sets
-        id_nodes = defaultdict(list)
+        id_nodes = defaultdict(set)
         relationships = instance.data["lookData"]["relationships"]
+
         for relationship in relationships.values():
             for member in relationship['members']:
                 node_id = member["uuid"]
                 node = member["name"]
-                id_nodes[node_id].append(node)
+                id_nodes[node_id].add(node)
 
-        # check if any id has more than 1 node
+        # Check if any id has more than 1 node
         invalid = []
         for nodes in id_nodes.values():
             if len(nodes) > 1: