Update self-hosted.mdx

Author: fengjessica

dgraph/self-hosted.mdx

@@ -130,7 +130,7 @@ API endpoints and the web interface.
 
 <Step title="Configure Export Settings">
   Select your export format and destination. 
-  Dgraph Cloud supports JSON or RDF  
+  Dgraph Cloud supports JSON or RDF.  
   ![Export Configuration](/images/dgraph/self-managed/dg-cloud-export-3.png)
 
 Click "Start Export" and monitor the progress. Large datasets may take several
@@ -789,8 +789,6 @@ Use this checklist to ensure your migration was successful:
 
 </Card>
 
----
-
 <Info>
   This migration guide is a living document. Please contribute improvements,
   report issues, or share your experiences to help the community. For additional