Update custom-waf-rules-overview.md

ZarrVenkat · web-flow · commit c762a4e782f2 · 2022-10-13T15:08:29.000+05:30
diff --git a/articles/web-application-firewall/ag/custom-waf-rules-overview.md b/articles/web-application-firewall/ag/custom-waf-rules-overview.md
@@ -142,6 +142,7 @@ Negates the current condition.
 A list of strings with names of transformations to do before the match is attempted. These can be the following transformations:
 
 - Lowercase
+- Uppercase
 - Trim
 - UrlDecode
 - UrlEncode 
