Manual.rst: fixed typo

extension/Documentation/Manual.rst

@@ -2270,7 +2270,7 @@ The CLIENT `submit_reason` shows the user action:
 Example forwardPage
 ^^^^^^^^^^^^^^^^^^^
 
-* `{{SELECT IF('{{formModeGlobal:S:alnumx}}'='requiredOff', 'no', 'auto') }}`
+* `{{SELECT IF('{{formModeGlobal:S}}'='requiredOff', 'no', 'auto') }}`
 * `{{SELECT IF('{{submit_reason:CE:alnumx}}'='save', 'no', 'url'), '|http://example.com' }}`
 
 Type: combined dynamic mode & URL/page