diff --git a/using_images/other_images/jenkins.adoc b/using_images/other_images/jenkins.adoc
index 21940c1826d3..89d4b8e5c6a6 100644
--- a/using_images/other_images/jenkins.adoc
+++ b/using_images/other_images/jenkins.adoc
@@ -293,6 +293,16 @@ The default maven agent pod uses `docker.io/openshift/jenkins-agent-maven-35-cen
 the CentOS or RHEL version of the Jenkins image. This variable must be set before Jenkins starts
 the first time for it to have an effect.
 
+* `JENKINS_UC_INSECURE`
++
+Determines whether Jenkins plugins downloads are allowed if the Jenkins Update Center repository 
+uses an invalid SSL certificate. This could be the case if a self hosted repository 
+using self-signed certificate with an unknown CA is used or if an enteprise proxy  
+performs man-in-the-middle interceptions. This variable applies to plug-in downloads, which may 
+occur during a Jenkins image build or if an extension of the Jenkins image is built. It is 
+also applied when you run the Jenkins image and use one of the options to download additional 
+plug-ins, including S2I with plugins.txt or the INSTALL_PLUGINS environment variable. 
+Set to true to enable this variable.
 
 [[jenkins-cross-project-access]]
 === Cross Project Access