diff --git a/firestore.rules b/firestore.rules
index dcaa2971..28ff4485 100644
--- a/firestore.rules
+++ b/firestore.rules
@@ -28,7 +28,7 @@ service cloud.firestore {
                               && !("referredByUserId" in resource.data)
                               // user can't refer themselves
                               && !(resource.data.id == request.resource.data.referredByUserId);
-                              // quid pro quos enabled (only once though so nbd) - can't make this work:
+                              // quid pro quos enabled (only once though so nbd) - bc I can't make this work:
                               // && (get(/databases/$(database)/documents/users/$(request.resource.data.referredByUserId)).referredByUserId == resource.data.id);
     }