diff --git a/plugins/include/clients.inc b/plugins/include/clients.inc
index be18d395..77bb236b 100644
--- a/plugins/include/clients.inc
+++ b/plugins/include/clients.inc
@@ -317,7 +317,8 @@ native bool GetClientAuthString(int client, char[] auth, int maxlen, bool valida
 native bool GetClientAuthId(int client, AuthIdType authType, char[] auth, int maxlen, bool validate=true);
 
 /**
- * Returns the client's Steam account ID.
+ * Returns the client's Steam account ID, a number uniquely identifying a given Steam account.
+ * This number is the basis for the various display SteamID forms, see the AuthIdType enum for examples.
  *
  * @param client		Client Index.
  * @param validate		Check backend validation status.