Sometimes technical, sometimes not, never a kitty

When users register, the profile page asks for a Unit, right above the Street.  A better label would be "Apt/Unit", since this is the place to put in an apartment number.  You can't change this label in the Manage Profile Properties, so you need to do a little editing.

There are at least 4 places you can change this text, but the only one that affects the public view of a user's profile is ~/admin/Users/App_LocalResources\Profile.ascx.resx.  Edit this file in a text editor, find "Unit:" and change it to "Apt/Unit:", then save it.  Your registration and profile pages will now show the new label.

The label in the Manage Profile Properties won't change (and I haven't found that edit yet), but your registration and user's Manage Profile pages will all show this change.