Hey on this tutorial i'm gonna show you how to make "bright" spots on photoshop.
Things needed to success this tutorial: Basic Tools Of Photoshop
Step 1) Make a new document and fill it with a dark color.(So you can understand the difference better).
Step 2) Choose a color of your choice and write your text. (Except black,white).
Step 3) You must have something like that.
Step 4) Make a new layer and change it at Overlay.
Step 5) Choose a soft brush with the size that fit with the text size, br