From a1836662a78e1338553b5d212ad336d3f3efc5fc Mon Sep 17 00:00:00 2001
From: Raymond Feng <raymond@strongloop.com>
Date: Fri, 20 Jun 2014 12:05:32 -0700
Subject: [PATCH] Clean up comments

---
 lib/connectors/memory.js | 2 ++
 lib/dao.js               | 8 ++++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/connectors/memory.js b/lib/connectors/memory.js
index 06c65772..97531f13 100644
--- a/lib/connectors/memory.js
+++ b/lib/connectors/memory.js
@@ -368,6 +368,8 @@ function applyFilter(filter) {
       return pattern;
     }
     var regex = '';
+    // Escaping user input to be treated as a literal string within a regular expression
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Writing_a_Regular_Expression_Pattern
     pattern = pattern.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
     for (var i = 0, n = pattern.length; i < n; i++) {
       var char = pattern.charAt(i);
diff --git a/lib/dao.js b/lib/dao.js
index 5f8d0c77..c788413e 100644
--- a/lib/dao.js
+++ b/lib/dao.js
@@ -982,25 +982,25 @@ DataAccessObject.updateAll = function (where, data, cb) {
   if (stillConnecting(this.getDataSource(), this, arguments)) return;
 
   if (arguments.length === 1) {
-    // update(data);
+    // update(data) is being called
     data = where;
     where = null;
     cb = null;
   } else if (arguments.length === 2) {
     if (typeof data === 'function') {
-      // update(data, cb);
+      // update(data, cb) is being called
       cb = data;
       data = where;
       where = null;
     } else {
-      // update(where, data);
+      // update(where, data) is being called
       cb = null;
     }
   }
 
   assert(typeof where === 'object', 'The where argument should be an object');
   assert(typeof data === 'object', 'The data argument should be an object');
-  assert(cb === null || typeof cb === 'function', 'The data argument should be an object');
+  assert(cb === null || typeof cb === 'function', 'The cb argument should be a function');
 
   try {
     where = removeUndefined(where);