diff --git a/Doc/Makefile b/Doc/Makefile
index 5d05636..bc435a3 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -66,7 +66,7 @@
 
 # This is the *documentation* release, and is used to construct the file
 # names of the downloadable tarballs.
-RELEASE=2.3a0
+RELEASE=2.3a1+
 
 PYTHON=	   python
 DVIPS=	   dvips -N0 -t $(PAPER)
diff --git a/Doc/texinputs/boilerplate.tex b/Doc/texinputs/boilerplate.tex
index 615d9b5..c872482 100644
--- a/Doc/texinputs/boilerplate.tex
+++ b/Doc/texinputs/boilerplate.tex
@@ -7,5 +7,5 @@
 
 \date{\today}			% XXX update before release!
 \release{2.3}			% software release, not documentation
-\setreleaseinfo{a1}		% empty for final release
+\setreleaseinfo{a1+}		% empty for final release
 \setshortversion{2.3}		% major.minor only for software