Updatey typo on jenkins.sh

I believe this is a typo.
diff --git a/jenkins.sh b/jenkins.sh
index 6cbe125..0a3b96c 100755
--- a/jenkins.sh
+++ b/jenkins.sh
@@ -22,5 +22,5 @@
   exec java "${java_opts_array[@]}" -jar /usr/share/jenkins/jenkins.war "${jenkins_opts_array[@]}" "$@"
 fi
 
-# As argument is not jenkins, assume user want to run his own process, for sample a `bash` shell to explore this image
+# As argument is not jenkins, assume user want to run his own process, for example a `bash` shell to explore this image
 exec "$@"