diff --git a/README.md b/README.md
index adf7d488554d03568c9095f9e0f40e28cadc0565..be45501e73f1abeca0f7c3557b4bf33a56f39095 100644
--- a/README.md
+++ b/README.md
@@ -17,12 +17,15 @@ Build and distribute software with Spack
 
 ## Gitlab CI/CD Enviromental variables
 
-The following variables must be set up if not or re-configured if tokens expire.  
-	
-OBJSTORE: Public URL of OpenStack SWIFT public bucket used to store the to deployed spack build environment  
-OPENSHIFT_TOKEN: Token to login to OpenShift cluster  
-OS_TOKEN: Token to access OpenStack SWIFT  
-
+The following variable(s) must be set up if not or re-configured if tokens expire.  
+	  
+OPENSHIFT_TOKEN: Token to login to OpenShift cluster (with the "gitlab" service account) 
+  
+## Copy spack .yaml files and packages to the Openshift job pod that does the build
+
+The gitlab runner copies the spack .yaml files and packages to the OpenShift job pod.
+- The runner waits until the job's pod is running to start copying the files
+- The pod (built from tc/ebrains-spack-build-env:latest image) waits until the necessary file(s) has finished copying so that it can continue the build process
 
 ## Bulding software binaries with Spack