Edited README via GitHub

README

@@ -1,12 +1,13 @@
 Scripts and tools for use with Team Foundation Server.  Includes:
 
-tfpurge.bat - Identifies large files in TFS version control and provides a
-              list of tf.exe commands that can be used to destroy older
-              revisions of those files to conserve space.
+tfpurge.bat - Identifies large files in TFS version control and automatically
+              generates a list of tf.exe commands that can be used to destroy
+              older revisions of those files in order to conserve space.
 
               Tested under Strawberry Perl 5.12.3 together with Team Foundation
               Server 2008.
 
               This is a Perl script, but is wrapped in a batch file so that it
               may be run directly even if a file association for .pl files has
-              not been defined.  Assumes that perl.exe is found in %PATH%.
+              not been defined.  Assumes that perl.exe and tf.exe are found in
+              %PATH%.