Self signed cert spelling fix (#1220)

Co-authored-by: Liam Thompson <[email protected]>

Author: jonshaffer

manage-data/migrate/migrate-from-a-self-managed-cluster-with-a-self-signed-certificate-using-remote-reindex.md

@@ -51,7 +51,7 @@ The `Destination` cluster should be the same or newer version as the `Source` cl
 ::::
 
 
-## Step 4: Enable bundle and add `reindex` settings on the `Desination` cluster. [ec-remote-reindex-step4]
+## Step 4: Enable bundle and add `reindex` settings on the `Destination` cluster. [ec-remote-reindex-step4]
 
 1. From your deployment page, go to the **Edit** page, click **Manage user settings and extensions**, select tab **Extensions** then enable `my_source_ca`.
 2. Switch tab to **User settings**, append the following settings to the `elasticsearch.yml`.  This step adds `source_server` to the `reindex.remote.whitelist`, points source CA bundle to be trusted by the `Destination` cluster using the setting `reindex.ssl.certificate_authorities`.