diff --git a/src/mw_engine/utils.clj b/src/mw_engine/utils.clj
index 33b63bc..a56574b 100644
--- a/src/mw_engine/utils.clj
+++ b/src/mw_engine/utils.clj
@@ -132,7 +132,7 @@
   [cell x y property value]
   (cond 
     (and (= x (:x cell)) (= y (:y cell)))
-    (merge cell {property value})
+    (merge cell {property value :rule "Set by user"})
     true
     cell))