Minor style updates

doc/administration/geo/replication/troubleshooting.md

@@ -615,11 +615,12 @@ or `gitlab-ctl promote-to-primary-node`, either:
 ### Message: ActiveRecord::RecordInvalid: Validation failed: Enabled Geo primary node cannot be disabled
 
 If you disabled a secondary node, either with the [replication pause task](../index.md#pausing-and-resuming-replication)
-(13.2) or via the UI (13.1 and earlier), you must first re-enable the
-node before you can continue. This is fixed in 13.4.
+(13.2) or by using the user interface (13.1 and earlier), you must first
+re-enable the node before you can continue. This is fixed in 13.4.
 
-Execute the following, replacing  `<your secondary url>` with the URL for your secondary
-server, using `http` or `https` and ending with a `/`.
+Run the following command, replacing  `https://<secondary url>/` with the URL
+for your secondary server, using either `http` or `https`, and ensuring that you
+end the URL with a slash (`/`):
 
 ```shell
 sudo gitlab-rails dbconsole