diff --git a/Packages/Developers_manual/makefile b/Packages/Developers_manual/makefile
index 4e83a3c441a..34bcf574ca0 100644
--- a/Packages/Developers_manual/makefile
+++ b/Packages/Developers_manual/makefile
@@ -69,17 +69,17 @@ ext_pdf_doc:
 	mv pdf_developers_manual_ext.pdf developers_manual_ext.pdf
 
 ext_html_doc:
-	cc_manual_to_html -o $(EXT_HTML_TARGET_DIR) -title "CGAL Developers' Manual (2.2.4)" -author "<A HREF=""http://www.cgal.org/CGAL"" target=""_top"">The CGAL project</A>" -date "`date +%b` `date +%e`, `date +%Y`" -aux $(EXT_WRAPPER).aux -bbl $(EXT_WRAPPER).bbl $(EXT_WRAPPER).tex
+	cc_manual_to_html -o $(EXT_HTML_TARGET_DIR) -title "CGAL Developers' Manual (2.3)" -author "<A HREF=""http://www.cgal.org"" target=""_top"">The CGAL project</A>" -date "`date +%b` `date +%e`, `date +%Y`" -aux $(EXT_WRAPPER).aux -bbl $(EXT_WRAPPER).bbl $(EXT_WRAPPER).tex
 	cp manual_index.html $(EXT_HTML_TARGET_DIR)
 	cp title.html $(EXT_HTML_TARGET_DIR)
 
 html_doc:
-	cc_manual_to_html -o $(HTML_TARGET_DIR) -title "CGAL Developers' Manual (2.2.4)" -author "<A HREF=""http://www.cgal.org/CGAL"" target=""_top"">The CGAL project</A>" -date "`date +%b` `date +%e`, `date +%Y`" -aux $(WRAPPER).aux -bbl $(WRAPPER).bbl $(WRAPPER).tex
+	cc_manual_to_html -o $(HTML_TARGET_DIR) -title "CGAL Developers' Manual (2.3)" -author "<A HREF=""http://www.cgal.org"" target=""_top"">The CGAL project</A>" -date "`date +%b` `date +%e`, `date +%Y`" -aux $(WRAPPER).aux -bbl $(WRAPPER).bbl $(WRAPPER).tex
 	cp manual_index.html $(HTML_TARGET_DIR)
 	cp title.html $(HTML_TARGET_DIR)
 
 html_title:
-	cc_manual_to_html -o title_html -title "CGAL Developers' Manual (2.2.4)" -author "<A HREF=""http://www.cgal.org"" target=""_top"">The CGAL project</A>" -date "`date +%b` `date +%e`, `date +%Y`" -show_main title_wrap.tex
+	cc_manual_to_html -o title_html -title "CGAL Developers' Manual (2.3)" -author "<A HREF=""http://www.cgal.org"" target=""_top"">The CGAL project</A>" -date "`date +%b` `date +%e`, `date +%Y`" -show_main title_wrap.tex
 
 install_internal: install_html install_ps install_pdf install_tools_doc
 	chmod -R a+r $(INSTALL_DIR)
diff --git a/Packages/Developers_manual/pdf_wrapper.tex b/Packages/Developers_manual/pdf_wrapper.tex
index 6b5c4764339..e6f162fd438 100644
--- a/Packages/Developers_manual/pdf_wrapper.tex
+++ b/Packages/Developers_manual/pdf_wrapper.tex
@@ -55,7 +55,7 @@
 \newcommand{\ie}{{\em i.e.}}
 \newcommand{\etc}{{\em etc.}}
 \newcommand{\VarText}[1]{$<${\em #1}$>$}
-\newcommand{\dmanualrelease}{2.2.4}
+\newcommand{\dmanualrelease}{2.3}
 \newcommand{\InternalOnly}[1]{#1}
 \newcommand{\ExternalOnly}[1]{}
 
diff --git a/Packages/Developers_manual/title.html b/Packages/Developers_manual/title.html
index 8b46e02b3d9..0ada6375817 100644
--- a/Packages/Developers_manual/title.html
+++ b/Packages/Developers_manual/title.html
@@ -47,7 +47,7 @@
 <A HREF="http://www.cgal.org"><IMG SRC="images/cgal_bigger.gif" BORDER="0" ALIGN=CENTER ALT="CGAL"></A><BR>
 
 <IMG SRC="images/title.gif" ALIGN=CENTER ALT="Developers' Manual"><BR>
-<H2> Release 2.2.4, May 2002 </H2>
+<H2> Release 2.3, November 2002 </H2>
 </CENTER>
 </TD>
 </TR>
diff --git a/Packages/Developers_manual/wrapper.tex b/Packages/Developers_manual/wrapper.tex
index ca752c2ee20..99b835b8126 100644
--- a/Packages/Developers_manual/wrapper.tex
+++ b/Packages/Developers_manual/wrapper.tex
@@ -47,7 +47,7 @@
 \newcommand{\ie}{{\em i.e.}}
 \newcommand{\etc}{{\em etc.}}
 \newcommand{\VarText}[1]{$<${\em #1}$>$}
-\newcommand{\dmanualrelease}{2.2.4}
+\newcommand{\dmanualrelease}{2.3}
 \newcommand{\InternalOnly}[1]{#1}
 \newcommand{\ExternalOnly}[1]{}