diff --git a/DockerPipelinePluginJenkinsfile b/DockerPipelinePluginJenkinsfile
index 20409bb..7997fd8 100644
--- a/DockerPipelinePluginJenkinsfile
+++ b/DockerPipelinePluginJenkinsfile
@@ -1,3 +1,6 @@
+// You need a valid credentials for Docker Hub
+// You need https://plugins.jenkins.io/docker-workflow/ on your jenkins instance
+
 pipeline {
     agent {
         node {