diff --git a/Command-Reference.md b/Command-Reference.md
index cd21e05..a7b4cfe 100644
--- a/Command-Reference.md
+++ b/Command-Reference.md
@@ -715,6 +715,8 @@ Sets a Minecraft game rule for a world.
 `multiverse.core.gamerule.set`
 #### Details:
 Allows setting vanilla Minecraft game rules.
+
+When called from console, `[WORLD]` is required.  When called in-game, omitting `[WORLD]` will result in changing the rule for the player's current location.
 ##### Game rules you can set:
 All the game rules are case sensitive.
 * commandBlockOutput - Boolean