diff --git a/README.md b/README.md
index 661fb82..b11a26a 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,11 @@ To install
     
 Any log output will be generated to ${OPENSHIFT_TMP_DIR}/celery_log.txt
 
+This was tested using:
+
+    celery==3.1.11
+    redis==2.10.3
+
 To manage
 ---------------------
 
diff --git a/bin/control b/bin/control
index 1f1ca3c..f49ed39 100755
--- a/bin/control
+++ b/bin/control
@@ -11,7 +11,7 @@ function start {
       echo "${OPENSHIFT_CELERY_DIR}usr/celery worker -A ${OPENSHIFT_CELERY_IMPORTS=OPENSHIFT_APP_NAME} -b ${OPENSHIFT_CELERY_BROKER_URL} --pidfile=${OPENSHIFT_CELERY_DIR}etc/celeryd.pid --loglevel=DEBUG --logfile=${OPENSHIFT_TMP_DIR}celery_log.txt" >> `echo $OPENSHIFT_TMP_DIR`blarg.txt
       ${OPENSHIFT_CELERY_DIR}usr/celery multi start worker --app=${OPENSHIFT_CELERY_IMPORTS=${OPENSHIFT_APP_NAME}} --broker=${OPENSHIFT_CELERY_BROKER_URL="amqp://guest@localhost//"} --pidfile=${OPENSHIFT_CELERY_DIR}etc/celeryd.pid --hostname=${OPENSHIFT_APP_DNS} --loglevel=DEBUG --logfile=${OPENSHIFT_TMP_DIR}celery_log.txt
 	else
-	  echo 'Cant start celert as OPENSHIFT_CELERY_IMPORTS has not been set'
+	  echo "Can't start celery as env var OPENSHIFT_CELERY_IMPORTS has not been set. More: https://developers.openshift.com/en/managing-environment-variables.html"
 	fi
 }