update readme

updated the readme a bit

Author: Hirogen

README.md

@@ -1,6 +1,6 @@
 # LogExpert [![Build status](https://ci.appveyor.com/api/projects/status/hxwxyyxy81l4tee8/branch/master?svg=true)](https://ci.appveyor.com/project/Zarunbal/logexpert/branch/master)
 
-Clone from https://logexpert.codeplex.com/
+This is a clone from (no longer exists) https://logexpert.codeplex.com/
 
 # Overview
 LogExpert is a Windows tail program (a GUI replacement for the Unix tail command).
@@ -21,6 +21,7 @@ Summary of (most) features:
 * Plugin API for more log file data sources
 * Automatical determine columnizer with given file name and content (Experimental)
 * Serilog.Formatting.Compact format support (Experimental)
+* Portable (all options / settings saved in application startup directory)
 
 # Download
 Follow the [Link](https://github.com/zarunbal/LogExpert/releases/latest) and download the latest package. Just extract it where you want and execute the application or download the Setup and install it