Add "-l, privacylevel" description to "pihole -a"

Signed-off-by: DL6ER <dl6er@dl6er.de>

advanced/Scripts/webpage.sh

@@ -36,7 +36,7 @@ Options:
   -e, email           Set an administrative contact address for the Block Page
   -h, --help          Show this help dialog
   -i, interface       Specify dnsmasq's interface listening behavior
-                        Add '-h' for more info on interface usage"
+  -l, privacylevel    Set privacy level (0 = lowest, 3 = highest)"
 	exit 0
 }
 
@@ -555,7 +555,7 @@ main() {
 		"-t" | "teleporter"   ) Teleporter;;
 		"adlist"              ) CustomizeAdLists;;
 		"audit"               ) audit;;
-		"privacylevel"      ) SetPrivacyLevel;;
+		"-l" | "privacylevel" ) SetPrivacyLevel;;
 		*                     ) helpFunc;;
 	esac