diff --git a/src/display/bounds/CenterOn.js b/src/display/bounds/CenterOn.js
index c45c4107e..c96255204 100644
--- a/src/display/bounds/CenterOn.js
+++ b/src/display/bounds/CenterOn.js
@@ -2,23 +2,16 @@ var SetCenterX = require('./SetCenterX');
 var SetCenterY = require('./SetCenterY');
 
 /**
-* The center x coordinate of the Game Object.
-* This is the same as `(x - offsetX) + (width / 2)`.
-*
-* @property {number} centerX
-*/
-
-/**
- * [description]
+ * Positions the Game Object so that it is centered on the given coordinates.
  *
  * @function Phaser.Display.Bounds.CenterOn
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
- * @param {number} x - [description]
- * @param {number} y - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object that will be re-positioned.
+ * @param {number} x - The horizontal coordinate to position the Game Object on.
+ * @param {number} y - The vertical coordinate to position the Game Object on.
  *
- * @return {Phaser.GameObjects.GameObject} [description]
+ * @return {Phaser.GameObjects.GameObject} The Game Object that was positioned.
  */
 var CenterOn = function (gameObject, x, y)
 {
diff --git a/src/display/bounds/GetBottom.js b/src/display/bounds/GetBottom.js
index 094beb8e5..a0188c970 100644
--- a/src/display/bounds/GetBottom.js
+++ b/src/display/bounds/GetBottom.js
@@ -1,12 +1,12 @@
 /**
- * [description]
+ * Returns the bottom coordinate from the bounds of the Game Object.
  *
  * @function Phaser.Display.Bounds.GetBottom
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object to get the bounds value from.
  *
- * @return {number} [description]
+ * @return {number} The bottom coordinate of the bounds of the Game Object.
  */
 var GetBottom = function (gameObject)
 {
diff --git a/src/display/bounds/GetCenterX.js b/src/display/bounds/GetCenterX.js
index 11df516d5..9ddd4e3e2 100644
--- a/src/display/bounds/GetCenterX.js
+++ b/src/display/bounds/GetCenterX.js
@@ -1,12 +1,12 @@
 /**
- * [description]
+ * Returns the center x coordinate from the bounds of the Game Object.
  *
  * @function Phaser.Display.Bounds.GetCenterX
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object to get the bounds value from.
  *
- * @return {number} [description]
+ * @return {number} The center x coordinate of the bounds of the Game Object.
  */
 var GetCenterX = function (gameObject)
 {
diff --git a/src/display/bounds/GetCenterY.js b/src/display/bounds/GetCenterY.js
index a6f4d7844..fe3f0c598 100644
--- a/src/display/bounds/GetCenterY.js
+++ b/src/display/bounds/GetCenterY.js
@@ -1,12 +1,12 @@
 /**
- * [description]
+ * Returns the center y coordinate from the bounds of the Game Object.
  *
  * @function Phaser.Display.Bounds.GetCenterY
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object to get the bounds value from.
  *
- * @return {number} [description]
+ * @return {number} The center y coordinate of the bounds of the Game Object.
  */
 var GetCenterY = function (gameObject)
 {
diff --git a/src/display/bounds/GetLeft.js b/src/display/bounds/GetLeft.js
index daad83405..eb6a81178 100644
--- a/src/display/bounds/GetLeft.js
+++ b/src/display/bounds/GetLeft.js
@@ -1,12 +1,12 @@
 /**
- * [description]
+ * Returns the left coordinate from the bounds of the Game Object.
  *
  * @function Phaser.Display.Bounds.GetLeft
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object to get the bounds value from.
  *
- * @return {number} [description]
+ * @return {number} The left coordinate of the bounds of the Game Object.
  */
 var GetLeft = function (gameObject)
 {
diff --git a/src/display/bounds/GetOffsetX.js b/src/display/bounds/GetOffsetX.js
index 8900d7d1c..cc36d0611 100644
--- a/src/display/bounds/GetOffsetX.js
+++ b/src/display/bounds/GetOffsetX.js
@@ -1,12 +1,15 @@
 /**
-* The amount the Game Object is visually offset from its x coordinate.
-* This is the same as `width * origin.x`.
-* It will only be > 0 if origin.x is not equal to zero.
-*
-* @property {number} offsetX
-* @readOnly
-*/
-
+ * Returns the amount the Game Object is visually offset from its x coordinate.
+ * This is the same as `width * origin.x`.
+ * This value will only be > 0 if `origin.x` is not equal to zero.
+ *
+ * @function Phaser.Display.Bounds.GetOffsetX
+ * @since 3.0.0
+ *
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object to get the bounds value from.
+ *
+ * @return {number} The horizontal offset of the Game Object.
+ */
 var GetOffsetX = function (gameObject)
 {
     return gameObject.width * gameObject.originX;
diff --git a/src/display/bounds/GetOffsetY.js b/src/display/bounds/GetOffsetY.js
index e1a86ba36..92dfc30cf 100644
--- a/src/display/bounds/GetOffsetY.js
+++ b/src/display/bounds/GetOffsetY.js
@@ -1,12 +1,15 @@
 /**
-* The amount the Game Object is visually offset from its x coordinate.
-* This is the same as `width * origin.x`.
-* It will only be > 0 if origin.x is not equal to zero.
-*
-* @property {number} offsetX
-* @readOnly
-*/
-
+ * Returns the amount the Game Object is visually offset from its y coordinate.
+ * This is the same as `width * origin.y`.
+ * This value will only be > 0 if `origin.y` is not equal to zero.
+ *
+ * @function Phaser.Display.Bounds.GetOffsetY
+ * @since 3.0.0
+ *
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object to get the bounds value from.
+ *
+ * @return {number} The vertical offset of the Game Object.
+ */
 var GetOffsetY = function (gameObject)
 {
     return gameObject.height * gameObject.originY;
diff --git a/src/display/bounds/GetRight.js b/src/display/bounds/GetRight.js
index ae29d1030..059594b0c 100644
--- a/src/display/bounds/GetRight.js
+++ b/src/display/bounds/GetRight.js
@@ -1,12 +1,12 @@
 /**
- * [description]
+ * Returns the right coordinate from the bounds of the Game Object.
  *
  * @function Phaser.Display.Bounds.GetRight
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object to get the bounds value from.
  *
- * @return {number} [description]
+ * @return {number} The right coordinate of the bounds of the Game Object.
  */
 var GetRight = function (gameObject)
 {
diff --git a/src/display/bounds/GetTop.js b/src/display/bounds/GetTop.js
index 5f7a45537..5c3ee504e 100644
--- a/src/display/bounds/GetTop.js
+++ b/src/display/bounds/GetTop.js
@@ -1,12 +1,12 @@
 /**
- * [description]
+ * Returns the top coordinate from the bounds of the Game Object.
  *
  * @function Phaser.Display.Bounds.GetTop
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object to get the bounds value from.
  *
- * @return {number} [description]
+ * @return {number} The top coordinate of the bounds of the Game Object.
  */
 var GetTop = function (gameObject)
 {
diff --git a/src/display/bounds/SetBottom.js b/src/display/bounds/SetBottom.js
index f1f325744..dc5ee28cd 100644
--- a/src/display/bounds/SetBottom.js
+++ b/src/display/bounds/SetBottom.js
@@ -1,13 +1,13 @@
 /**
- * [description]
+ * Positions the Game Object so that the bottom of its bounds aligns with the given coordinate.
  *
  * @function Phaser.Display.Bounds.SetBottom
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
- * @param {number} value - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object that will be re-positioned.
+ * @param {number} value - The coordinate to position the Game Object bounds on.
  *
- * @return {Phaser.GameObjects.GameObject} [description]
+ * @return {Phaser.GameObjects.GameObject} The Game Object that was positioned.
  */
 var SetBottom = function (gameObject, value)
 {
diff --git a/src/display/bounds/SetCenterX.js b/src/display/bounds/SetCenterX.js
index e136b2230..21dc69416 100644
--- a/src/display/bounds/SetCenterX.js
+++ b/src/display/bounds/SetCenterX.js
@@ -1,13 +1,13 @@
 /**
- * [description]
+ * Positions the Game Object so that the center top of its bounds aligns with the given coordinate.
  *
  * @function Phaser.Display.Bounds.SetCenterX
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
- * @param {number} x - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object that will be re-positioned.
+ * @param {number} x - The coordinate to position the Game Object bounds on.
  *
- * @return {Phaser.GameObjects.GameObject} [description]
+ * @return {Phaser.GameObjects.GameObject} The Game Object that was positioned.
  */
 var SetCenterX = function (gameObject, x)
 {
diff --git a/src/display/bounds/SetCenterY.js b/src/display/bounds/SetCenterY.js
index b00b02225..dc03663f0 100644
--- a/src/display/bounds/SetCenterY.js
+++ b/src/display/bounds/SetCenterY.js
@@ -1,13 +1,13 @@
 /**
- * [description]
+ * Positions the Game Object so that the center top of its bounds aligns with the given coordinate.
  *
  * @function Phaser.Display.Bounds.SetCenterY
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
- * @param {number} y - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object that will be re-positioned.
+ * @param {number} y - The coordinate to position the Game Object bounds on.
  *
- * @return {Phaser.GameObjects.GameObject} [description]
+ * @return {Phaser.GameObjects.GameObject} The Game Object that was positioned.
  */
 var SetCenterY = function (gameObject, y)
 {
diff --git a/src/display/bounds/SetLeft.js b/src/display/bounds/SetLeft.js
index c9e390e3e..720bad462 100644
--- a/src/display/bounds/SetLeft.js
+++ b/src/display/bounds/SetLeft.js
@@ -1,13 +1,13 @@
 /**
- * [description]
+ * Positions the Game Object so that the left of its bounds aligns with the given coordinate.
  *
  * @function Phaser.Display.Bounds.SetLeft
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
- * @param {number} value - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object that will be re-positioned.
+ * @param {number} value - The coordinate to position the Game Object bounds on.
  *
- * @return {Phaser.GameObjects.GameObject} [description]
+ * @return {Phaser.GameObjects.GameObject} The Game Object that was positioned.
  */
 var SetLeft = function (gameObject, value)
 {
diff --git a/src/display/bounds/SetRight.js b/src/display/bounds/SetRight.js
index d994496f4..1ff525348 100644
--- a/src/display/bounds/SetRight.js
+++ b/src/display/bounds/SetRight.js
@@ -1,13 +1,13 @@
 /**
- * [description]
+ * Positions the Game Object so that the left of its bounds aligns with the given coordinate.
  *
  * @function Phaser.Display.Bounds.SetRight
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
- * @param {number} value - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object that will be re-positioned.
+ * @param {number} value - The coordinate to position the Game Object bounds on.
  *
- * @return {Phaser.GameObjects.GameObject} [description]
+ * @return {Phaser.GameObjects.GameObject} The Game Object that was positioned.
  */
 var SetRight = function (gameObject, value)
 {
diff --git a/src/display/bounds/SetTop.js b/src/display/bounds/SetTop.js
index 3c2f77700..d7028f893 100644
--- a/src/display/bounds/SetTop.js
+++ b/src/display/bounds/SetTop.js
@@ -1,13 +1,13 @@
 /**
- * [description]
+ * Positions the Game Object so that the top of its bounds aligns with the given coordinate.
  *
  * @function Phaser.Display.Bounds.SetTop
  * @since 3.0.0
  *
- * @param {Phaser.GameObjects.GameObject} gameObject - [description]
- * @param {number} value - [description]
+ * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object that will be re-positioned.
+ * @param {number} value - The coordinate to position the Game Object bounds on.
  *
- * @return {Phaser.GameObjects.GameObject} [description]
+ * @return {Phaser.GameObjects.GameObject} The Game Object that was positioned.
  */
 var SetTop = function (gameObject, value)
 {