Clean URL Applied
Modify the last path of the subpage/channel or channel post address.
Apply to subpages or channels
Navigate to the subpage or channel where you want to modify the clean URL, and click the share icon in the top right corner.
Click Edit on the preview card in the Page Share window .
In the SEO Settings window, click Page URL > Clean Page URL .
Enter the desired value in the Page Clean URL window and click the Save URL button.
I recommend modifying it by referring to Google's best practices .
Apply to channel posts
Navigate to the channel containing the post for which you want to modify the Clean URL. Click ... > SEO Settings for that post.
In the SEO Settings window, click Page URL > Clean Page URL .
Enter the desired value in the Page Clean URL window and click the Save URL button.
I recommend modifying it by referring to Google's best practices .