Update ref-other-sources-hubs.md

articles/hubs/ref-other-sources-hubs.md

@@ -1,25 +1,25 @@
 # Reference Other Sources
 
-![](../../assets/gifs/ref-other-sources-hubs.gif)
+![Power a Page](https://github.com/stoplightio/docs/blob/develop/assets/gifs/hubs-power-page.gif?raw=true)
 
 ## What
-Hubs allows you to reference other sources to automatically populate your Hub with content. We call this “powering” a building block. You can power a building block with a file from the current file, a file from the current project, a file from another project, or a file from an external source. 
+Hubs allows you to reference other sources to automatically populate your Hub with content. We call this “powering” a page, subpage, or block. You can power a page, subpage, or block with a markdown or specification file from the current file, a file from the current project, a file from another project, or a file from an external source. 
 
 ### What Can I Power
 
 - Pages 
 - Subpages 
-- Text Blocks 
+- Blocks 
 
 ## How
 
 ### Power a Subpage 
 
 1. Select the Hub you wish to modify 
-2. Select (or create a new) **Subpage** 
-3. Click on the **gear icon** in the center of the editor toolbar (If new, this window automatically opens)  
-    1. Select **Power this Subpage with an External Data Source**
-    2. Select the data source from the drop-down menu 
+2. Select **Design** view
+3. Click on **Page Settings & TOC** at the top of the page
+    1. Select the **page** or **subpage** you wish to power
+    2. Under Page Type, select **Markdown**(for markdown files) or **OpenAPI** (for JSON or YAML files)
     3. Input the specific data source or select from the drop-down menu
     4. Input an inner data source (optional)  
 4. Click **Confirm**