updated README to reflect making and sourcing credential file

README.md

 # Terraform Openstack
 
-Right now, this will create:
+This will create:
 
 dmznet and dmzsubnet
 
@@ -11,6 +11,7 @@ a floating ip address, and an instance coming off of dmznet
 clusternet off of dmznet instance
 
 clustersubnet
+eill connect instance to ood through ohpc and download software
 
 Make a new directory for Terraform:
 
@@ -26,15 +27,25 @@ Unzip the file and make a path to your new directory:
 
 `$cp $HOME/Downloads/terraform_0.6.16_linux_amd64/terraform $TERRAFORM_DIR`
 
-Download RC File from Openstack(V3) and save it in your terraform-first-instance directory.
+Create a new application credintial in Openstack:
+
+In Openstack, go to Identity - Application Credentials
+
+Click "Create Application Credential"
+
+Name the credential and add a description(Leave the rest blank. It is important not to add an expiration date.)
+
+Open the credential rc file you have created, and change all OS_ to TF_. This will allow terraform to read and use these values.
+
+Save the credential in your terraform-first-instance directory.
 
 Clone this repo into your terraform-first-instance directory:
 
-`$git clone https://gitlab.rc.uab.edu/rrand11/terraform-openstack.git`
+`$git clone --recursive https://gitlab.rc.uab.edu/rrand11/terraform-openstack.git`
 
-Source the rc file and initialize terraform:
+Source the credential rc file and initialize terraform:
 
-`$source OPENRCFILENAME`
+`$source CREDENTIALRCFILENAME`
 
 `$cd terraform-openstack`