diff --git a/config/action.d/nftables.conf b/config/action.d/nftables.conf
index 98f3c64e..53fbcfec 100644
--- a/config/action.d/nftables.conf
+++ b/config/action.d/nftables.conf
@@ -97,7 +97,7 @@ actionstop = %(_nft_del_set)s
              <_nft_shutdown_table>
 
 # Option:  actioncheck
-# Notes.:  command executed once before each actionban command
+# Notes.:  command executed once in error case by other command (during the check/restore sane environment process)
 # Values:  CMD
 #
 actioncheck = <nftables> list chain <table_family> <table> <chain> | grep -q '@<addr_set>[ \t]'