diff --git a/lodash.js b/lodash.js
index 3ff9e77ae..8e58f9252 100644
--- a/lodash.js
+++ b/lodash.js
@@ -5567,7 +5567,8 @@
     /**
      * Creates an array of unique `array` values not included in the other
      * given arrays using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
-     * for equality comparisons.
+     * for equality comparisons. The order of result values is determined by the
+     * order they occur in the first array.
      *
      * @static
      * @memberOf _
@@ -5589,7 +5590,8 @@
     /**
      * This method is like `_.difference` except that it accepts `iteratee` which
      * is invoked for each element of `array` and `values` to generate the criterion
-     * by which they're compared. The iteratee is invoked with one argument: (value).
+     * by which they're compared. Result values are chosen from the first array.
+     * The iteratee is invoked with one argument: (value).
      *
      * @static
      * @memberOf _
@@ -5619,8 +5621,9 @@
 
     /**
      * This method is like `_.difference` except that it accepts `comparator`
-     * which is invoked to compare elements of `array` to `values`. The comparator
-     * is invoked with two arguments: (arrVal, othVal).
+     * which is invoked to compare elements of `array` to `values`. Result values
+     * are chosen from the first array. The comparator is invoked with two arguments:
+     * (arrVal, othVal).
      *
      * @static
      * @memberOf _