Fix typo

Author: woodall

test/arrays.js

@@ -324,7 +324,7 @@
     numbers = [1, 40, 40, 40, 40, 40, 40, 40, 50, 60, 70]; num = 40;
     assert.strictEqual(_.indexOf(numbers, num, true), 1, '40 is in the list');
     assert.strictEqual(_.indexOf(numbers, 6, true), -1, '6 isnt in the list');
-    assert.strictEqual(_.indexOf([1, 2, 5, 4, 6, 7], 5, true), -1, 'sorted indexOf doesn\'t uses binary search');
+    assert.strictEqual(_.indexOf([1, 2, 5, 4, 6, 7], 5, true), -1, 'sorted indexOf doesn\'t use binary search');
     assert.ok(_.every(['1', [], {}, null], function() {
       return _.indexOf(numbers, num, {}) === 1;
     }), 'non-nums as fromIndex make indexOf assume sorted');