That is not at all intuitive based upon the Topic Name or the Topic Charter.
Both of those would seem to indicate that is an acceptable topic for the post.
It seems easy enough to add that clarification to the charter to make the proper
topic selection easy for anyone to choose.
Topic Charter: Suggestions to the BrickLink Catalog Administrators to change
something in the catalog.
That is not at all intuitive based upon the Topic Name or the Topic Charter.
Both of those would seem to indicate that is an acceptable topic for the post.
It seems easy enough to add that clarification to the charter to make the proper
topic selection easy for anyone to choose.
Topic Charter: Suggestions to the BrickLink Catalog Administrators to change
something in the catalog.
Splitting it into "Change Request" and "addition/subtraction requests" should
solve the problem.