Update content/integrate/redis-data-integration/release-notes/rdi-1-8-0.md

Author: andy-stark-redis

content/integrate/redis-data-integration/release-notes/rdi-1-8-0.md

@@ -108,4 +108,8 @@ After upgrading, manually set a unique cluster ID for one of the installations b
 kubectl edit cm -n rdi rdi-sys-config
 ```
 
-Then add the following line `RDI_CLUSTER_ID: cluster-2` to distinguish between the clusters.
+Then add the following line to distinguish between the clusters:
+
+```bash
+RDI_CLUSTER_ID: cluster-2
+```