diff --git a/YSFReflector.ini b/YSFReflector.ini
index f39eef6..47ba227 100644
--- a/YSFReflector.ini
+++ b/YSFReflector.ini
@@ -30,6 +30,8 @@ Debug=0
 [Block List]
 File=/usr/local/etc/deny.db
 Time=5
-# enable (1) or disable (0) regular expression checking [^\d?[A-Z]{1,2}\d{1,4}[A-Z]{1,3}$]
+# enable (1), disable (0) regular expression checking [^\d?[A-Z]{1,2}\d{1,4}[A-Z]{1,3}$]
+# or work only with withelist (-1)
+# see table in README.md for more informations
 CheckRE=1