diff --git a/Readme.md b/Readme.md
index 531ece7..e430782 100644
--- a/Readme.md
+++ b/Readme.md
@@ -3,6 +3,7 @@
 ## Index of tools
 
 * [Import (cherry-pick) pull requests from github](Import pull requests from github)
+* [Count commits in repositories](Count commits in repositories)
 
 ## Import pull requests from github
 
@@ -99,3 +100,13 @@
 #
 # ssh -p 29418 korap gerrit review --code-review +1 $(git rev-list f4fa1eb65586dd0f96ea1cc8efb71223f8667e9f..HEAD)
 ```
+
+## Count commits in repositories
+
+Script to count all commits in various repositories for reporting.
+
+More information using ...
+
+```shell
+$ perldoc count_commits
+```
diff --git a/bin/count_commits b/bin/count_commits
index 6e47184..d765c71 100755
--- a/bin/count_commits
+++ b/bin/count_commits
@@ -2,14 +2,17 @@
 use strict;
 use warnings;
 use Mojo::File qw'path';
+use Mojo::Util qw!extract_usage!;
 use feature 'say';
 use DateTime;
 use Getopt::Long;
 
 GetOptions (
   "help|h" => sub {
-    say "--quarter (Defaults to month)";
-    say "--current (Default to last)";
+    say "--quarter (show statistics for a quarter instead of a month)";
+    say "--current (show statistics for the current instead of the last unit)";
+    say "--user []";
+    say extract_usage;
     exit(0);
   },
   "quarter|q" => \(my $quarter),
@@ -53,6 +56,7 @@
 my $cmd = "git shortlog -sne " .
   "--since='01 $from $year' " .
   "--before='31 $to $year' " .
+  "--no-merges " .
   "--max-parents=1";
 
 my $sum = 0;
@@ -96,8 +100,16 @@
 
 exit(0);
 
+__END__
+
 =pod
 
+=head1 SYNOPSIS
+
+  Usage: count_commits --quarter --current --user Akron
+
+=head1 DESCRIPTION
+
 This script will count and sum up all commits
 in all repositories listed in the configured repositories
 for a certain user in the current branches.
@@ -112,6 +124,8 @@
   /path/to/my/repo2
   ...
 
+The username has to be in the first line and written in square brackets.
+
 Two different time ranges are supported:
 
 Per default the last finished month
diff --git a/bin/import_github_pull_requests b/bin/import_github_pull_requests
index 4dd6e14..f0f5477 100755
--- a/bin/import_github_pull_requests
+++ b/bin/import_github_pull_requests
@@ -54,8 +54,8 @@
 git fetch github
 git fetch origin
 OLDHEAD=$(git log --pretty=format:%H -1)
-IFS=','
-while read -r success nr sha message; do
+
+while IFS=',' read -r success nr sha message; do
   if [ "$success" == "$GET_CI_STATUS_SUCCESS" ]; then
     if git cherry-pick "$sha" > /dev/null 2> /dev/null; then
       # add closes #<nr> to let github automatically close the PR and add change-id via hook