README in rant-0.4.8 vs README in rant-0.5.0

@@ -40,11 +40,11 @@
     cp data backup/data
 
 will ensure that the "data" file in the "backup" directory is up to
 date.
 
-This document was written for version 0.4.8 of Rant. Most things
+This document was written for version 0.5.0 of Rant. Most things
 described here will work for older/newer versions of Rant, but look at
 the README file in the Rant distribution you've installed for exact
 documentation of your Rant version.
 
 == Support
@@ -88,9 +88,11 @@
     read doc/command.rdoc[link:files/doc/command_rdoc.html]
 Using the Configure plugin::
     read doc/configure.rdoc[link:files/doc/configure_rdoc.html]
 Compiling C#::
     read doc/csharp.rdoc[link:files/doc/csharp_rdoc.html]
+Common file system operations::
+    read doc/sys.rdoc[link:files/doc/sys_rdoc.html]
 Upgrading::
     read the NEWS[link:files/NEWS.html] for new features, not
     backwards compatible changes and other issues.
 
 == Copying