From f1b01d659fe573d1f4f881fc03364ef7534bd479 Mon Sep 17 00:00:00 2001
From: Alex Mingoia <talk@alexmingoia.com>
Date: Wed, 25 Nov 2015 10:32:57 -0800
Subject: [PATCH] Add note about path-to-regexp.

---
 README.md     | 3 +++
 lib/router.js | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/README.md b/README.md
index de0d197..4e4637d 100644
--- a/README.md
+++ b/README.md
@@ -174,6 +174,9 @@ router.get('/:category/:title', function (ctx, next) {
 });
 ```
 
+The [path-to-regexp](https://github.com/pillarjs/path-to-regexp) module is used
+to convert paths to regular expressions.
+
 **Kind**: instance property of <code>[Router](#exp_module_koa-router--Router)</code>
 
 | Param | Type | Description |
diff --git a/lib/router.js b/lib/router.js
index 18de571..2b0b944 100644
--- a/lib/router.js
+++ b/lib/router.js
@@ -162,6 +162,9 @@ function Router(opts) {
  * });
  * ```
  *
+ * The [path-to-regexp](https://github.com/pillarjs/path-to-regexp) module is
+ * used to convert paths to regular expressions.
+ *
  * @name get|put|post|patch|delete
  * @memberof module:koa-router.prototype
  * @param {String} path