minor improvement to the README "tagTextProp" setting info

README.md

@@ -947,7 +947,7 @@ beforePaste            | `tagify`, `pastedText`, `clipboardData`     | Before pa
 
 Name                      | Type                         | Default                                     | Info
 ------------------------- | ---------------------------- | ------------------------------------------- | --------------------------------------------------------------------------
-tagTextProp               | <sub>String</sub>            | `"value"`                                   | Tag data Object property which will be displayed as the tag's text. Remember to keep "value" property <em>unique</em>.
+tagTextProp               | <sub>String</sub>            | `"value"`                                   | Tag data Object property which will be displayed as the tag's text. Remember to keep "value" property <em>unique</em>. See Also: `dropdown.mapValueTo`, `dropdown.searchKeys`
 placeholder               | <sub>String</sub>            |                                             | Placeholder text. If this attribute is set on an input/textarea element it will override this setting
 delimiters                | <sub>String</sub>            | `","`                                       | [RegEx **string**] split tags by any of these delimiters. Example delimeters: ",&#124;.&#124; " (*comma*, *dot* or *whitespace*)
 pattern                   | <sub>String/RegEx</sub>      | null                                        | Validate input by RegEx pattern (can also be applied on the input itself as an attribute) Ex: `/[1-9]/`