diff --git a/README.md b/README.md
index 3332270..aa2d87d 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ There is a jenkinsjob template on our jenkins with the same name.
 
 ## USAGE TIPS:
 
-* REMEMBER TO FILL the jenkinsfile environment section with your values. The following field should be properly filled: imagename, git_url
+* REMEMBER TO FILL the jenkinsfile environment section with your values. The following fields should be properly filled: imagename, git_url
 * REMEMBER TO PUT your Dockerfile in the root folder of your new project
 
 * You can find the related jenkinsjob template here: https://jenkins.d4science.org/job/Pipeline-Docker-Template/