Add description of the PATHREPORTFILE keyword into config

cfgs/config/advanced.cfg

@@ -338,6 +338,10 @@ ADDRESSBOOKADD NO        ; No, never automatically add an user
 //    If enabled, GoldED will attempt to find a matching username in the
 //    user database if a to-name with wildcards is entered in echo or local
 
+//  PATHREPORTFILE <pathname>
+// Path to the area's PATH report file, makes on press the Ctrl-K at default.
+;PATHREPORTFILE R:\reports
+
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