Hi @Aubreena DeForest,
Thank you for posting in this community.
Don't worry, this problem is easy to fix.
Please perform the following steps:
1.Please make sure you are the owner of the site or the administrator of the site. Although the name of the homepage has been changed, we can still use the old path to access the site's Pages Library, the URL path is:
https://yourTenantName.sharepoint.com/sites/YourSiteName/SitePages
, please replace the name of your site and tenant.
2.Select the page file you have modified, right-click and select Make homepage. (The default page name for SharePoint's home page is CollabHome.aspx. If you want to fully restore the name of the homepage, you can change the name back and then click on Make homepage.)
3.When you visit the site again, this page is displayed as the homepage by default. You can take a closer look at the URL address.
4.If you do the above and the problem persists, I suggest you clear your browser cache and revisit the site.
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