fixed URL

Author: guyplusplus

README.md

@@ -126,7 +126,7 @@ The plugin can then be installed like this.
 
 ```
 $ sudo ./bin/kibana-plugin --allow-root install file:///home/john/downloads/kbn_tp_custom_form_filter_accounts_7.7.0_1.0.0.zip
-$ sudo ./bin/kibana-plugin --allow-root install https://github.com/guyplusplus/Kibana-Plugin-Custom-Form-Filter-Visualization-Legacy/releases/download/1.0.0/kbn_tp_custom_form_filter_accounts_7.7.0_1.0.0.zip
+$ sudo ./bin/kibana-plugin --allow-root install https://github.com/guyplusplus/Kibana-Plugin-Custom-Form-Filter-Visualization/releases/download/1.0.0/kbn_tp_custom_form_filter_accounts_7.7.0_1.0.0.zip
 ```
 
 Deleting then installing the plugin often fails for me. I fix it by running this command.