diff --git a/scripts/check-installed b/scripts/check-installed
index d588ef84c..122e94cf7 100755
--- a/scripts/check-installed
+++ b/scripts/check-installed
@@ -5,16 +5,16 @@
 # out master branch of git@github.molgen.mpg.de:mariux64/bee-files.git
 #
 #     git checkout master
-#     git pull
+#     git pull --rebase
 #     scripts/check-installed
 
 use strict;
 use warnings;
 
 sub scandir {
-        my ($dirname)=@_;
-        opendir my $dir,$dirname or die "$dirname: $!\n";
-        return sort grep !/^\./,readdir $dir;
+	my ($dirname)=@_;
+	opendir my $dir,$dirname or die "$dirname: $!\n";
+	return sort grep !/^\./,readdir $dir;
 }
 
 sub save_qx {
@@ -45,7 +45,7 @@ for my $beefile (scandir('.')) {
 			$pkg.='.noarch';
 		} else {
 			$pkg.='.x86_64';
-		 }
+		}
 	}
 	if (exists($GIT_FILE{$pkg})) {
 		print "# bee file $beefile overwrites package $pkg from $GIT_FILE{$pkg}\n";
@@ -72,4 +72,3 @@ for my $pkg (sort(keys(%GIT_FILE))) {
 	my $beefile=$GIT_FILE{$pkg};
 	print "# package in git but not in system: $pkg ($beefile)\n";
 }
-