Update modules/customizing-the-tech-radar-page/proc-customize-rhdh-tech-radar-page.adoc

Author: themr0c

modules/customizing-the-tech-radar-page/proc-customize-rhdh-tech-radar-page.adoc

@@ -59,9 +59,9 @@ To use a separate service to provide the Tech Radar data, complete the following
 +
 [source,yaml]
 ----
-backend:
-   reading:
-        allow:
+backend:    
+   reading:    
+        allow:    
           - host: 'hostname'
 ----
 . Add the following to the `app-config.yaml` file: