Information was entered incorrectly.
You've received a few excellent resources above. If you need help with any other issue you can always ask here OR go to the Help Center. Click on the '?' with a circle around it at the top of most FamilySearch pages, then enter a few search terms to bring up articles. You can find help articles for most anything on the FamilySearch site.
Hope you're enjoying your family history journey!!
Welcome to the "Community.FamilySearch" Forum.
I am just another 'lowly' User/Patron ...
That really depends on what information that you want to correct/edit.
Just for starters ...
Here are some "Knowledge Articles" in 'FamilySearch'
I hope that these may help, somewhat.
IF, those "Knowledge Articles" do not help; THEN, please advise WHAT in particular, that you would like to correct/edit.