diff --git a/server/modules/GameManager.js b/server/modules/GameManager.js
index 22d4538..9fb7079 100644
--- a/server/modules/GameManager.js
+++ b/server/modules/GameManager.js
@@ -459,7 +459,7 @@ function initializePeopleForGame (uniqueCards, moderator, shuffle) {
         }
     }
 
-    shuffle(cards);
+    shuffle(cards); // this shuffles in-place.
 
     let j = 0;
     if (moderator.userType === globals.USER_TYPES.TEMPORARY_MODERATOR) { // temporary moderators should be dealt in.