diff --git a/tools/make_man.py b/tools/make_man.py
index 07282ef436355b4ab63c53ddad06ecc55a0127a9..7c1ccc2065ff5de63f59acb721ec81f9ef4fb71a 100755
--- a/tools/make_man.py
+++ b/tools/make_man.py
@@ -160,6 +160,7 @@ def analyze_application(app, script_name):
     helptext = re.sub(cmd_re, format_title, helptext)
     helptext = helptext.replace("-", r"\-")
     coding = r'.\" -*- coding: utf-8 -*-'
+    comment = r'.\" This file was generated automatically by tools/make_man.sh.'
     header = '.TH %s 1 "%s" "%s %s"' % (script_name.upper(), time.strftime("%d %B %Y"),
                                         script_name, app.VERSION.replace('.', '\\&.'))
     name = ".SH NAME\n%s \- %s" % (script_name, application.SHORT_DESCRIPTION)
@@ -222,7 +223,7 @@ def analyze_application(app, script_name):
     # Skip internal applications.
     footer += "\n\n.SH SEE ALSO\nHome page: http://weboob.org/applications/%s" % application.APPNAME
 
-    mantext = u"%s\n%s\n%s\n%s\n%s\n%s" % (coding, header, name, helptext, condition, footer)
+    mantext = u"%s\n%s\n%s\n%s\n%s\n%s\n%s" % (coding, comment, header, name, helptext, condition, footer)
     with open(os.path.join(BASE_PATH, DEST_DIR, "%s.1" % script_name), 'w+') as manfile:
         for line in mantext.split('\n'):
             manfile.write('%s\n' % line.lstrip().encode('utf-8'))