diff --git a/README.md b/README.md
index 794a3ba..78a1dc6 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,8 @@
 # check_dir_empty
-nagios plugin: check that the directories given are empty
\ No newline at end of file
+nagios plugin: check that the directories given are empty
+
+Example:
+~~~
+$ ./check_dir_empty /var/mail
+OK: All given directories are empty
+~~~