diff --git a/README.MD b/README.MD
index 3a95d0c..aa1a7e2 100644
--- a/README.MD
+++ b/README.MD
@@ -76,9 +76,23 @@ The random layer list will be generated with only selected gamemodes.
 ```json
 [ "AAS", "RAAS", "INVASION" ]
 ```
+#### layerFilteringMode
+###### Description
+Select Whitelist mode or Blacklist mode.
+###### Default
+```json
+"blacklist"
+```
+#### layerLevelWhitelist
+###### Description
+The random layer list will include ONLY the whitelisted layers or levels. (acceptable formats: Gorodok/Gorodok_RAAS/Gorodok_AAS_v1).
+###### Default
+```
+[]
+```
 #### layerLevelBlacklist
 ###### Description
-The random layer list will not include the blacklisted layers or levels. (acceptable formats: Gorodok/Gorodok_RAAS/Gorodok_AAS_v1).
+The random layer list will NOT include the blacklisted layers or levels. (acceptable formats: Gorodok/Gorodok_RAAS/Gorodok_AAS_v1).
 ###### Default
 ```
 []
diff --git a/mapvote.js b/mapvote.js
index fcfc983..76a5cbe 100644
--- a/mapvote.js
+++ b/mapvote.js
@@ -72,7 +72,7 @@ export default class MapVote extends DiscordBasePlugin {
             },
             layerLevelWhitelist: {
                 required: false,
-                description: 'random layer list will not include the blacklisted layers or levels. (acceptable formats: Gorodok/Gorodok_RAAS/Gorodok_AAS_v1)',
+                description: 'random layer list will include only the whitelisted layers or levels. (acceptable formats: Gorodok/Gorodok_RAAS/Gorodok_AAS_v1)',
                 default: []
             },
             layerLevelBlacklist: {