more end-user friendly text in server_mode/index.rst

Author: w0lek

doc/src/vtr/server_mode/index.rst

@@ -207,7 +207,7 @@ Draw selected critical path elements example
 Interactive Path Analysis Client (IPA)
 ====================================================
 
-To test VPR server functionality, you can use a special client application called **IPAClient**, which is available in a public Git repository:  
+The interactive path analysis (IPA) client connects to VPR's server mode and allows interactive visualization of timing paths and their placement and routing. This client application is called **IPAClient** and can also be used to test VPR's server mode functionality. It is available in a public Git repository:  
 `https://github.com/w0lek/IPAClient <https://github.com/w0lek/IPAClient>`_.
 
 This UI application is designed to generate requests for VPR in server mode and display the responses in a readable format, acting as a result viewer.