Update README.md

docs/README.md

@@ -1,6 +1,6 @@
 ### This document contains much of the same information that can be found in the Wiki.
 
-It is provided as a dowloadable version for potential use or easier access when building/using the system.  This document is current as of the v0.22 release **but may not be updated with future versions**.
+It is provided as a dowloadable version for potential use or easier access when building/using the system.  This document is current as of the v0.23 release **but may not be updated with future versions**.
 
 Note that you must download and/or open this document outside of Github for any of the embedded links in the document to function.  This includes the links found in the table of contents.