About using the type tools (Photoshop)
Clicking in an image with a type tool puts the type tool in edit mode. When the tool is in edit mode, you can enter and edit characters as well as perform some other commands from the various menus; however, certain operations require that you first commit changes to the type layer. To determine if a type tool is in edit mode, look in the options bar--if you see the Commit button 
and the Cancel button 
, the type tool is in edit mode.
To commit changes to a type layer:
- Click the Commit button in the options bar.
- Press the Enter key on the numeric keypad.
- Press Ctrl+Enter on the main keyboard (Windows) or Command+Return (Mac OS).
- Select any tool in the toolbox, click in the Layers, Channels, Paths, Actions, History, or Styles palette, or select any available menu command.
Do one of the following: