PR comment response

Author: mjang

content/nginx-one/how-to/certificates/manage-certificates.md

@@ -133,7 +133,7 @@ The Export option supports exports of basic certification file information to a
 
 ## Deployed certificates
 
-A deployed certificate is associated with a specific Instance or Config Sync Gruop. That certificate may be Managed or Unmanaged.
+A deployed certificate is associated with a specific Instance or Config Sync Group. That certificate may be Managed or Unmanaged.
 
 ## Add a new certificate or bundle
 
@@ -164,9 +164,22 @@ If that certificate is already managed as part of a Config Sync Group, the chang
 ## Delete a deployed certificate
 
 You can remove a deployed certificate from an independent instance or from a Config Sync Group. This action also deletes the certificate files or certificate-key pairs from the data plane Instance(s).
-
-
-Every Config Sync Group also includes paths to managed certificates in its configuration files. If you remove a managed certificate to a Config Sync Group, that change affects all Instances which belong to that Config Sync Group. 
+<!-- possible common content -->
+To do so, navigate to the **Manage** > **Instances** or **Config Sync Groups** menu. Then:
+
+- Select the instance or Config Sync Group where you want to make the change.
+- Select the **Configuration** tab.
+- Select **Edit Configuration**.
+- Find the file that you want to change.
+- Select the three-dot "ellipsis" (...), to open a menu. Your options are to
+  - **Move/Rename**
+  - **Copy**
+  - **Delete from Configuration** 
+<!-- end possible common content -->
+
+In this case, you can delete a deployed certificate from the configuration.
+
+Every Config Sync Group also includes paths to managed certificates in its configuration files. If you remove a managed certificate to a Config Sync Group, that change affects all instances which belong to that Config Sync Group. 
 
 ## Delete a managed certificate