Sarah, it is easy to change your photo and icon.
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You can also change your text on your group home page - also in - Admin, Settings, and then Group Description.
If you wanted to update your description, remember that you can use all the editing tools. And I would urge you not to put too much on the homepage. Remember that you can create Group Guidelines for the sidebar for group members. You can also pin a post or two to the top of the messages list.
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Frances
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