Update README.md

Author: vanderaj

DevGuide3.0/README.md

@@ -1,17 +1,20 @@
-This is a single document of the OWASP Guide. 
+This is the development version of the OWASP Developer Guide. 
 
-Two editions
+Please edit in GitHub Mark Down format. I will convert to PDF and MediaWiki format when we're done. 
 
 * 3.0 old text - my go at providing a refactoring of the OWASP Guide by re-using previous material. 
 * OWASP Guide 3.0 - my new table of contents, but not much content. 
 
+## Forking
+
+Please be aware that we're busy editing the new version. If you choose to fork this version, please let me know so I can help you with our plans. 
 
 ## History
 
 As computers became faster, I decided it was time for a single document version of the OWASP Guide. Beyond a TOC which reflects my current thinking, this version did not get off the ground. 
 
-* 3.0 - never published DO NOT USE
+* 3.0 - DO NOT USE THE WORD VERSIONS UNLESS YOU NEED OLD TEXT. 
 
 ## Contact
 
-Please contact Andrew van der Stock [email protected] for any queries about this edition. 
+Please contact Andrew van der Stock [email protected] for any queries about this edition.