diff --git a/js/Bounds2.js b/js/Bounds2.js
index 1dbcc76..fcec90e 100644
--- a/js/Bounds2.js
+++ b/js/Bounds2.js
@@ -29,10 +29,10 @@ define( function( require ) {
    * @constructor
    * @public
    *
-   * @param {number} minX - The intial minimum X coordinate of the bounds.
-   * @param {number} minY - The intial minimum Y coordinate of the bounds.
-   * @param {number} maxX - The intial maximum X coordinate of the bounds.
-   * @param {number} maxY - The intial maximum Y coordinate of the bounds.
+   * @param {number} minX - The initial minimum X coordinate of the bounds.
+   * @param {number} minY - The initial minimum Y coordinate of the bounds.
+   * @param {number} maxX - The initial maximum X coordinate of the bounds.
+   * @param {number} maxY - The initial maximum Y coordinate of the bounds.
    */
   function Bounds2( minX, minY, maxX, maxY ) {
     assert && assert( maxY !== undefined, 'Bounds2 requires 4 parameters' );
@@ -769,7 +769,7 @@ define( function( require ) {
      * @param {number} amount
      * @returns {Bounds2}
      */
-    eroded: function( d ) { return this.dilated( -d ); },
+    eroded: function( amount ) { return this.dilated( -amount ); },
 
     /**
      * A bounding box that is contracted horizontally (on the left and right) by the specified amount.
diff --git a/js/Bounds3.js b/js/Bounds3.js
index 82fe869..b0d89b5 100644
--- a/js/Bounds3.js
+++ b/js/Bounds3.js
@@ -27,12 +27,12 @@ define( function( require ) {
    * @constructor
    * @public
    *
-   * @param {number} minX - The intial minimum X coordinate of the bounds.
-   * @param {number} minY - The intial minimum Y coordinate of the bounds.
-   * @param {number} minZ - The intial minimum Z coordinate of the bounds.
-   * @param {number} maxX - The intial maximum X coordinate of the bounds.
-   * @param {number} maxY - The intial maximum Y coordinate of the bounds.
-   * @param {number} maxZ - The intial maximum Z coordinate of the bounds.
+   * @param {number} minX - The initial minimum X coordinate of the bounds.
+   * @param {number} minY - The initial minimum Y coordinate of the bounds.
+   * @param {number} minZ - The initial minimum Z coordinate of the bounds.
+   * @param {number} maxX - The initial maximum X coordinate of the bounds.
+   * @param {number} maxY - The initial maximum Y coordinate of the bounds.
+   * @param {number} maxZ - The initial maximum Z coordinate of the bounds.
    */
   function Bounds3( minX, minY, minZ, maxX, maxY, maxZ ) {
     assert && assert( maxY !== undefined, 'Bounds3 requires 4 parameters' );
@@ -753,7 +753,7 @@ define( function( require ) {
      * @param {number} amount
      * @returns {Bounds3}
      */
-    eroded: function( d ) { return this.dilated( -d ); },
+    eroded: function( amount ) { return this.dilated( -amount ); },
 
     /**
      * A bounding box that is contracted horizontally (on the left and right) by the specified amount.
diff --git a/js/Matrix3.js b/js/Matrix3.js
index 596e9a3..e2b7fcd 100644
--- a/js/Matrix3.js
+++ b/js/Matrix3.js
@@ -49,7 +49,7 @@ define( function( require ) {
   Matrix3.Types = {
     // NOTE: if an inverted matrix of a type is not that type, change inverted()!
     // NOTE: if two matrices with identical types are multiplied, the result should have the same type. if not, changed timesMatrix()!
-    // NOTE: on adding a type, exaustively check all type usage
+    // NOTE: on adding a type, exhaustively check all type usage
     OTHER: 0, // default
     IDENTITY: 1,
     TRANSLATION_2D: 2,
diff --git a/js/Quaternion.js b/js/Quaternion.js
index 3c7f4c1..af87f49 100644
--- a/js/Quaternion.js
+++ b/js/Quaternion.js
@@ -3,7 +3,7 @@
 /**
  * Quaternion, see http://en.wikipedia.org/wiki/Quaternion
  *
- * TODO: convert from JME-style parameterization into classical mathematical description?
+ * TODO: convert from JME-style parametrization into classical mathematical description?
  *
  * @author Jonathan Olson <jonathan.olson@colorado.edu>
  */
diff --git a/js/Transform3.js b/js/Transform3.js
index fd735a7..023489a 100644
--- a/js/Transform3.js
+++ b/js/Transform3.js
@@ -129,7 +129,8 @@ define( function( require ) {
      * Optimized prepended translation such that: this.matrix = translation( x, y ) * this.matrix.
      * @public
      *
-     * @param {Matrix3} matrix
+     * @param {number} x -  x-coordinate
+     * @param {number} y -  y-coordinate
      */
     prependTranslation: function( x, y ) {
       // See scenery#119 for more details on the need.
@@ -563,8 +564,8 @@ define( function( require ) {
      * @param {Bounds2} bounds
      * @returns {Bounds2}
      */
-    inverseBounds2: function( bounds2 ) {
-      return bounds2.transformed( this.getInverse() );
+    inverseBounds2: function( bounds ) {
+      return bounds.transformed( this.getInverse() );
     },
 
     /**
diff --git a/js/Vector2.js b/js/Vector2.js
index b9c9905..736b155 100644
--- a/js/Vector2.js
+++ b/js/Vector2.js
@@ -103,10 +103,11 @@ define( function( require ) {
     },
 
     /**
-     * The squared Euclidean distance between this vector (treated as a point) and another point (x,y).
+     * The squared Euclidean distance between this vector (treated as a point) and another point with coordinates (x,y).
      * @public
      *
-     * @param {Vector2} point
+     * @param {number} x
+     * @param {number} y
      * @returns {number}
      */
     distanceSquaredXY: function( x, y ) {
diff --git a/js/Vector3.js b/js/Vector3.js
index c14883d..888ae16 100644
--- a/js/Vector3.js
+++ b/js/Vector3.js
@@ -115,7 +115,9 @@ define( function( require ) {
      * The squared Euclidean distance between this vector (treated as a point) and another point (x,y,z).
      * @public
      *
-     * @param {Vector3} point
+     * @param {number} x
+     * @param {number} y
+     * @param {number} z
      * @returns {number}
      */
     distanceSquaredXYZ: function( x, y, z ) {
diff --git a/js/Vector4.js b/js/Vector4.js
index 58ab6a3..da695a3 100644
--- a/js/Vector4.js
+++ b/js/Vector4.js
@@ -119,7 +119,10 @@ define( function( require ) {
      * The squared Euclidean distance between this vector (treated as a point) and another point (x,y,z,w).
      * @public
      *
-     * @param {Vector4} point
+     * @param {number} x
+     * @param {number} y
+     * @param {number} z
+     * @param {number} w
      * @returns {number}
      */
     distanceSquaredXYZW: function( x, y, z, w ) {