Fix a typo (#1819)

- Don't show in changelog

Author: D8H

extensions/reviewed/FireBullet.json

@@ -20,7 +20,7 @@
     "- Overheat",
     "",
     "The speed can be specified when using the actions to fire the bullets.",
-    "The bullets are automatically given a permanent force to make them move (no need to use a linear movement or move them with another behavior)."
+    "The bullets are automatically given a permanent force to make them move (no need to use a linear movement or move them with another behavior).",
     "",
     "It can be used for:",
     "- Twin-stick shooters ([open the project online](https://editor.gdevelop.io/?project=example://conviction-of-gun-dude-desktop))",