Updated JSON Selector Filter help (markdown)

JSON-Selector-Filter-help.md

@@ -26,7 +26,7 @@ Some ideas, if you want to select where a value is set to something
 Try `json:$[?(@.status==3)]`
 
 
-### Compatibility with other JSON filters
+### "Filter" compatibility with other JSON selector libraries
 
 `json:$.address[?(@.use="work")]` works