diff --git a/Usage.md b/Usage.md
index 0f101f9..11ea6da 100644
--- a/Usage.md
+++ b/Usage.md
@@ -6,4 +6,13 @@ Provided command **and all its arguments** (subcommands) will be whitelisted alo
 
 ## Blacklisting subcommands
 
-To blacklist a subcommand, all you need to do is add it to the subcommands section in the group of your choice. Only properly formatted subcommands will be blacklisted, so `help` will NOT work, but `help about` WILL blacklist the `about` subcommand from `help` command.
\ No newline at end of file
+To blacklist a subcommand, all you need to do is add it to the subcommands section in the group of your choice. Only properly formatted subcommands will be blacklisted, so `help` will NOT work, but `help about` WILL blacklist the `about` subcommand from `help` command.
+
+## Applying CommandWhitelist group to a permission group
+
+Settings for commands and subcommands in `default` group will be automatically applied and do not require permission.
+
+**Permission group and CommandWhitelist group are NOT the same thing.**
+
+To assign CommandWhitelist group to a permission group, you need to grant `commandwhitelist.group.<group_name>`, where you substitute `<group_name>` with the name of the CommandWhitelist group.
+