Update tested systems

doc/user-guide.adoc

@@ -25,9 +25,10 @@ This is a short user guide for the current version v{version} of the DARIAH-DKPr
 To run the pipeline properly, a system equipped with and able to handle at least 4 GB RAM is recommended. The following operating systems have been tested:
 
 .Systems:
-* Mac OS X (10.10, 10.11)
-* Linux (Ubuntu 14.04, 15.10)
-* Windows 7/8/10
+
+* macOS (10.10 - 10.13)
+* Linux (Ubuntu 14.04 - 17.10)
+* Windows 7 - 10
 
 Furthermore, the  pipeline depends on an *internet connection* when running to download the models for the current configuration. *It does not work off line!*