Bump to v4.15.0.

_assocIndexOf.js

@@ -4,7 +4,7 @@ define(['./eq'], function(eq) {
    * Gets the index at which the `key` is found in `array` of key-value pairs.
    *
    * @private
-   * @param {Array} array The array to search.
+   * @param {Array} array The array to inspect.
    * @param {*} key The key to search for.
    * @returns {number} Returns the index of the matched value, else `-1`.
    */