diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index b07003f2d1b..f07b049535b 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,8 @@
+2020-05-13  Martin Liska  <mliska@suse.cz>
+
+	* gcc-changelog/git_check_commit.py: Add default argument HEAD
+	for revisions and improve error message output.
+
 2020-05-13  Martin Liska  <mliska@suse.cz>
 
 	* gcc-changelog/git_commit.py: Restore print_output syntax
diff --git a/contrib/gcc-changelog/git_check_commit.py b/contrib/gcc-changelog/git_check_commit.py
index b2d1d08a242..8553c90a96f 100755
--- a/contrib/gcc-changelog/git_check_commit.py
+++ b/contrib/gcc-changelog/git_check_commit.py
@@ -22,7 +22,7 @@ from git_repository import parse_git_revisions
 
 parser = argparse.ArgumentParser(description='Check git ChangeLog format '
                                  'of a commit')
-parser.add_argument('revisions',
+parser.add_argument('revisions', default='HEAD', nargs='?',
                     help='Git revisions (e.g. hash~5..hash or just hash)')
 parser.add_argument('-g', '--git-path', default='.',
                     help='Path to git repository')
@@ -36,9 +36,9 @@ args = parser.parse_args()
 retval = 0
 for git_commit in parse_git_revisions(args.git_path, args.revisions,
                                       not args.allow_non_strict_mode):
-    print('Checking %s' % git_commit.hexsha)
+    res = 'OK' if git_commit.success else 'FAILED'
+    print('Checking %s: %s' % (git_commit.hexsha, res))
     if git_commit.success:
-        print('OK')
         if args.print_changelog:
             git_commit.print_output()
     else: