2. Press the keyboard Ctrl and the left mouse button at the same time (the mouse pointer is placed on the text layer frame) to bring up the text selection area, click the menu bar, click Modify in the drop-down menu, and then click Expand.
3. Increase the expansion amount to an appropriate value.
4. After confirmation, the text selection becomes larger. Click the new layer below the layer to get the layer 1 and place the layer 1 below the text layer.
5. Set the foreground color of the color picker to black.
6. Click Edit in the menu bar, select Fill and confirm the foreground color.
7. After filling, the text has black edges.