diff --git a/cheat-sheets/Fortigate-debug-diagnose-complete-cheat-sheet.adoc b/cheat-sheets/Fortigate-debug-diagnose-complete-cheat-sheet.adoc
index b0ef7c3..f6357b5 100644
--- a/cheat-sheets/Fortigate-debug-diagnose-complete-cheat-sheet.adoc
+++ b/cheat-sheets/Fortigate-debug-diagnose-complete-cheat-sheet.adoc
@@ -378,7 +378,9 @@ a|View the kernel routing table (FIB). This is the list of resolved routes actua
 |*execute interface pppoe-reconnect*
 |Force ADSL re-connection.
 
-
+|*diagnose sys waninfo*
+|Show WAN interface info: public IP address of the WAN interface, guessed geo
+location of this IP, and whetehr this IP address is in FortiGuard black list.
 
 |===