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In Cascade, click on Assets and navigate to the block that needs to be edited. For example, if editing the fb-feed block, navigate to this.
Click on the appropriate block, in this case fb-feed, and then click Edit.
Click on the <> Source code button in the WYSIWYG
Locate the previous Facebook <div> embed code.
Replace the existing <div> embed code in the source source code editor with the copied Facebook <div> embed code and click 'Ok'.
To save and confirm your changes, click Submit.
Your Facebook feed should now be visible in the selected region on your homepage.
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