Improve FireBullet description

Don't show in changelog

Author: 4ian

extensions/reviewed/FireBullet.json

@@ -19,6 +19,9 @@
     "- Ammo management",
     "- 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)."
+    "",
     "It can be used for:",
     "- Twin-stick shooters ([open the project online](https://editor.gdevelop.io/?project=example://conviction-of-gun-dude-desktop))",
     "- Shoot'em up ([open the project online](https://editor.gdevelop.io/?project=example://space-shooter))",
@@ -52,7 +55,7 @@
   "eventsFunctions": [],
   "eventsBasedBehaviors": [
     {
-      "description": "Fire bullets, manage ammo, reloading, and overheating. Once added to your object that must shoot, use the behavior action in your events to fire another object as a bullet.",
+      "description": "Fire bullets, manage ammo, reloading, and overheating. Once added to your object that must shoot, use the behavior action in your events to fire another object as a bullet. This action will also make the bullet move (using a permanent force) at the speed specified in the action.",
       "fullName": "Fire bullets",
       "name": "FireBullet",
       "objectType": "",
@@ -626,7 +629,7 @@
           "objectGroups": []
         },
         {
-          "description": "Fire bullets toward an object.",
+          "description": "Fire bullets toward an object at a specified speed.",
           "fullName": "Fire bullets toward an object",
           "functionType": "Action",
           "name": "FireTowardObject",
@@ -695,7 +698,7 @@
           "objectGroups": []
         },
         {
-          "description": "Fire bullets toward a position.",
+          "description": "Fire bullets toward a position at a specified speed.",
           "fullName": "Fire bullets toward a position",
           "functionType": "Action",
           "name": "FireTowardPosition",
@@ -769,7 +772,7 @@
           "objectGroups": []
         },
         {
-          "description": "Fire bullets in the direction of a given angle.",
+          "description": "Fire bullets in the direction of a given angle at a specified speed.",
           "fullName": "Fire bullets toward an angle",
           "functionType": "Action",
           "name": "Fire",