diff --git a/Doc/Makefile b/Doc/Makefile
index a07ab98564c..032abf75852 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -59,7 +59,7 @@ TOOLSDIR=	tools
 
 # This is the *documentation* release, and is used to construct the file
 # names of the downloadable tarballs.
-RELEASE=1.6
+RELEASE=1.6a2
 
 
 # These must be declared phony since there