Fix error message

Author: tillarnold

lib/fixed-2d-array.js

@@ -16,26 +16,26 @@ var Fixed2DArray = function Fixed2DArray(width,height,defaultValue) {
 };
 
 /**
- * Throws an Error if the given coordinates are invalid
+ * Throws an Error if the given coordinate is invalid
  */
 Fixed2DArray.prototype.validateCoords = function(x,y) {
   if(x<0 || y<0 || x>=this._width || y>=this._height) {
-    throw new Error('fixed-2d-array: the coordinates ('+x+'/'+y+') ' +
-                    'are not valid in this Grid.' + 
-                    ' The grid size is ('+this._width+'/'+this._height+')');
+    throw new Error('fixed-2d-array: the coordinate ('+x+'/'+y+') ' +
+                    'are not valid.' + 
+                    ' The size of this array is ('+this._width+'/'+this._height+')');
   }
 };
 
 /**
- * Returns the coresponding value for the coordinates
+ * Returns the coresponding value for the coordinate
  */
 Fixed2DArray.prototype.get = function(x,y) {
   this.validateCoords(x,y);
   return this._grid[x][y];
 };
 
 /**
- * Sets the value for the coresponding coorinates
+ * Sets the value for the coresponding coorinate
  */
 Fixed2DArray.prototype.set = function(x,y,val) {
   this.validateCoords(x,y);
@@ -52,7 +52,7 @@ Fixed2DArray.prototype.set = function(x,y,val) {
  * [ ][*][*][*][ ]
  * [ ][ ][ ][ ][ ]
  *
- * the given coordinates are marked with an `X`
+ * the given coordinate is marked with an `X`
  * the function will return an array containing
  * the values for the fields maked with an `*` 
  */