docs: style fix

docs/sources/reference/sharing.md

@@ -65,6 +65,7 @@ Example:
 ```
 
 Below there should be an interactive Grafana graph embedded in an iframe:
+
 <iframe src="https://snapshot.raintank.io/dashboard-solo/snapshot/y7zwi2bZ7FcoTlB93WN7yWO4aMiz3pZb?from=1493369923321&to=1493377123321&panelId=4" width="650" height="300" frameborder="0"></iframe>
 
 ### Export Panel Data