diff --git a/man/compton-trans.1.asciidoc b/man/compton-trans.1.asciidoc
index 9a6afec0..0582af04 100644
--- a/man/compton-trans.1.asciidoc
+++ b/man/compton-trans.1.asciidoc
@@ -2,8 +2,8 @@ compton-trans(1)
 ================
 :doctype:     manpage
 :man source:  compton
-:man version: nightly-20121114
-:man manual:  LOCAL USER COMMANDS
+:man version: {compton-version}
+:man manual:  User Commands
 
 NAME
 ----
@@ -77,11 +77,7 @@ compton-trans -c -- -5
 
 BUGS
 ----
-Please report any bugs you find to <https://github.com/yshui/compton> .
-
-AUTHORS
--------
-Christopher Jeffrey (<https://github.com/chjj>).
+Please submit bug reports to <https://github.com/yshui/compton>.
 
 SEE ALSO
 --------
diff --git a/man/compton.1.asciidoc b/man/compton.1.asciidoc
index 805a366e..acda5764 100644
--- a/man/compton.1.asciidoc
+++ b/man/compton.1.asciidoc
@@ -2,8 +2,8 @@ compton(1)
 ==========
 :doctype:     manpage
 :man source:  compton
-:man version: nightly-20141124
-:man manual:  LOCAL USER COMMANDS
+:man version: {compton-version}
+:man manual:  User Commands
 
 NAME
 ----
@@ -13,10 +13,6 @@ SYNOPSIS
 --------
 *compton* ['OPTIONS']
 
-WARNING
--------
-This man page may be less up-to-date than the usage text in compton (`compton -h`).
-
 DESCRIPTION
 -----------
 compton is a compositor based on Dana Jansens' version of xcompmgr (which itself was written by Keith Packard). It includes some improvements over the original xcompmgr, like window frame opacity and inactive window transparency.
@@ -445,11 +441,9 @@ $ compton --backend glx --vsync opengl-swc
 
 BUGS
 ----
-Please report any you find to <https://github.com/yshui/compton> .
+Please submit bug reports to <https://github.com/yshui/compton>.
 
-AUTHORS
--------
-xcompmgr, originally written by Keith Packard, with contributions from Matthew Allum, Eric Anholt, Dan Doel, Thomas Luebking, Matthew Hawn, Ely Levy, Phil Blundell, and Carl Worth. Compton by Christopher Jeffrey, based on Dana Jansens' original work, with contributions from Richard Grenville.
+Out dated information in this man page is considered a bug.
 
 RESOURCES
 ---------
diff --git a/man/meson.build b/man/meson.build
index 289ddecb..be67e636 100644
--- a/man/meson.build
+++ b/man/meson.build
@@ -3,8 +3,10 @@ if get_option('build_docs')
 	a2x = find_program('a2x')
 	foreach m : mans
 		custom_target(m, output: [m], input: [m+'.asciidoc'],
-		              command: [a2x, '--format', 'manpage', '@INPUT@',
-		                        '-D', meson.current_build_dir()],
+		              command: [a2x, '-a',
+		                        'compton-version='+version,
+		                        '--format', 'manpage', '@INPUT@', '-D',
+		                        meson.current_build_dir()],
 		              install: true, install_dir: 'share/man/man1/')
 	endforeach
 endif
diff --git a/meson.build b/meson.build
index dcddd736..2db0eb3e 100644
--- a/meson.build
+++ b/meson.build
@@ -1,4 +1,4 @@
-project('compton', 'c', version: '2')
+project('compton', 'c', version: '4')
 
 cc = meson.get_compiler('c')