Display Details Record Count on List Page

I have a master table set to display child records count on the list page for a table. On the list page I was getting the child records count and somehow I made a change, which I don't recall, and the count was replaced with a network symbol (one computer on top of three). Now, instead of the child record count, I get symbol that looks like the network symbol. When I click on the network symbol, the child records open up, inside the list table, and I can edit them normally. If I click the symbol again, the child records close, and I am still in the list page. This is handy sometimes, but not for my specific use.
Can anyone tell me what I clicked to create this situation, and what I need to do in order to get my count back?
Thanks,
Bob