Clarify doc example for _.compose.

Former-commit-id: bcd9337d0cc2f7b6a1ca77723f8d20d768cb0b91

lodash.js

@@ -5001,11 +5001,22 @@
      * @returns {Function} Returns the new composed function.
      * @example
      *
-     * var greet = function(name) { return 'hi ' + name; };
+     * var realNameMap = {
-     * var exclaim = function(statement) { return statement + '!'; };
+     *   'curly': 'jerome'
-     * var welcome = _.compose(exclaim, greet);
+     * };
-     * welcome('moe');
+     *
-     * // => 'hi moe!'
+     * var format = function(name) {
+     *   name = realNameMap[name.toLowerCase()] || name;
+     *   return name.charAt(0).toUpperCase() + name.slice(1).toLowerCase();
+     * };
+     *
+     * var greet = function(formatted) {
+     *   return 'Hiya ' + formatted + '!';
+     * };
+     *
+     * var welcome = _.compose(greet, format);
+     * welcome('curly');
+     * // => 'Hiya Jerome!'
      */
     function compose() {
       var funcs = arguments;