Improves jsdocs

Author: photonstorm

src/physics/matter-js/components/Force.js

@@ -55,6 +55,8 @@ var Force = {
 
     /**
      * Apply thrust to the forward position of the body.
+     * 
+     * Use very small values, such as 0.1, depending on the mass and required speed.
      *
      * @method Phaser.Physics.Matter.Components.Force#thrust
      * @since 3.0.0
@@ -76,6 +78,8 @@ var Force = {
 
     /**
      * Apply thrust to the left position of the body.
+     * 
+     * Use very small values, such as 0.1, depending on the mass and required speed.
      *
      * @method Phaser.Physics.Matter.Components.Force#thrustLeft
      * @since 3.0.0
@@ -97,6 +101,8 @@ var Force = {
 
     /**
      * Apply thrust to the right position of the body.
+     * 
+     * Use very small values, such as 0.1, depending on the mass and required speed.
      *
      * @method Phaser.Physics.Matter.Components.Force#thrustRight
      * @since 3.0.0
@@ -118,6 +124,8 @@ var Force = {
 
     /**
      * Apply thrust to the back position of the body.
+     * 
+     * Use very small values, such as 0.1, depending on the mass and required speed.
      *
      * @method Phaser.Physics.Matter.Components.Force#thrustBack
      * @since 3.0.0