Text Updates

atm simulation/Readme.txt

@@ -3,10 +3,12 @@ This uses the Apache thrift protocol library.
 In Debian (and most derivatives) it is available as python-thrift. Alternately, grab a copy and 
 install it from
 
-This needs unittest
-
 https://thrift.apache.org/
 
+This needs unittest :
+The Unittest python testing framework, pretty much standard, known as the "batteries included" test framework, and arguably one of the most used)
+
+
 
 -- Generating the supporting server / client code
 --------------------------------------------------