Update csharp/ql/src/Security Features/CWE-016/ASPNetPagesValidateRequest.qhelp

Adds missing code tags

Co-Authored-By: James Fletcher <42464962+jf205@users.noreply.github.com>

Author: cldrn

csharp/ql/src/Security Features/CWE-016/ASPNetPagesValidateRequest.qhelp

@@ -31,7 +31,7 @@
 		<sample src="ASPNetPagesValidateRequestBad.config" />
 
 		<p>
-			If validateRequest is set to <code>true</code>, validation is enabled:
+			If <code>validateRequest</code> is set to <code>true</code>, validation is enabled:
 		</p>
 
 		<sample src="ASPNetPagesValidateRequestGood.config" />
@@ -48,4 +48,4 @@
 		</li>
 
 	</references>
-</qhelp>
+</qhelp>