Ubuntu :: Renaming Places In Nautilus Sidepane

A potentially very dumb question but still ... I want to create a place that I can choose in the panel at the top left. So I
- go to Nautilus (tree view in sidepane) down in the folders until I see my destination on the left;
- switch to places in the sidepane and drag and drop the folder onto the places thing.

Then, the folder shows up with the name there, which is something like "Web_ABC". So I want to change it to "Web" only. On my 64bit machine, this works, on my 32bit machine, it doesn't. Whenever I change the name and press ENTER, it goes back to the old name. On the 64bit system, it only worked when I went to some other place once, and then fine, but on the 32bit one, no chance.