docs: rephrase description

Author: Magnet-js

README.md

@@ -2,7 +2,7 @@
 
 # Plugin SDK for Java
 
-If you are developing your own plugin for your Staffbase app we describe the authentication flow of a plugin at https://developers.staffbase.com/guide/customplugin-overview/. While this documentation just covers the conceptual ideas of the interface of plugins though – the so called Plugin SSO – we want to provide a library to help you develop your first plugin for Staffbase even faster. This SDK provides the basic functionality to parse and verify a provided token for Java.
+If you are developing your own plugin for your Staffbase app we describe the authentication flow of a plugin at https://developers.staffbase.com/guide/customplugin-overview/. While the official documentation covers only the conceptual aspects of the plugins – the so called Plugin SSO – we want to provide a library to help you develop your first plugin for Staffbase even faster. This SDK provides the basic functionality to parse and verify a provided token for Java.
 
 ## Installation