fix(games): move single quote to match list (#37636)

Author: nodeppo

files/en-us/games/tutorials/html5_gamedev_phaser_device_orientation/index.md

@@ -28,7 +28,7 @@ You can open the index file in your favorite browser to launch the game and try
 
 - `img`: All the images that we will use in the game.
 - `src`: The JavaScript files with all the source code of the game defined inside.
-- `audio:` The sound files used in the game.
+- `audio`: The sound files used in the game.
 
 ## Setting up the Canvas