From 79e778af7ad64c840a5c4ea3946e012d8bbc6b03 Mon Sep 17 00:00:00 2001
From: Matthew Taylor <mewtaylor@gmail.com>
Date: Wed, 24 May 2017 08:51:28 -0400
Subject: [PATCH] make comment explanatory of new style

Thanks @rschamp!
---
 bin/lib/fastly-config-methods.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/bin/lib/fastly-config-methods.js b/bin/lib/fastly-config-methods.js
index 3a3d7581c..d84756262 100644
--- a/bin/lib/fastly-config-methods.js
+++ b/bin/lib/fastly-config-methods.js
@@ -33,8 +33,10 @@ var FastlyConfigMethods = {
     },
 
     /*
-     * Translate an express-style pattern e.g. /path/:arg/ to a regex
-     * all :arguments become .+?
+     * Translate an express-style pattern to regex one in two ways:
+     *
+     * 1. /path/:arg/ – all :arg's become .+?
+     * 2. /path/:arg([regex]) – :arg is removed, leaving just /path/([regex])
      */
     expressPatternToRegex: function (pattern) {
         pattern = pattern.replace(/(:\w+)(\([^\)]+\))/gi, '$2');