1. Open the fla file in Flash.
2. Make sure you are on frame 1 on the timeline.
3. Unlock the header layer and click on the keyframe.
4. Double click on the title text and change it to whatever you want.
5. Click anywhere else on the stage to deselect the text.
6. On the toolbar go to File -> Save.
7. Again on the toolbar go to Control -> Test Movie.
The SWF will run with your changes and that’s it. Your done. :D