diff --git a/sanitizer/sanitizeAll.js b/sanitizer/sanitizeAll.js
index 47861737..c21c78ff 100644
--- a/sanitizer/sanitizeAll.js
+++ b/sanitizer/sanitizeAll.js
@@ -1,3 +1,5 @@
+'use strict';
+
 const async = require('async');
 
 function sanitize( req, sanitizers, cb ){
@@ -12,7 +14,7 @@ function sanitize( req, sanitizers, cb ){
   // (in this case from the GET querystring params)
   const params = req.query || {};
 
-  for (var s in sanitizers) {
+  for (let s in sanitizers) {
     var sanity = sanitizers[s].sanitize( params, req.clean );
 
     // if errors occurred then set them
@@ -37,11 +39,11 @@ function checkParameters(req, sanitizers, cb) {
   const params = req.query || {};
   const goodParameters = {};
 
-  for (var s in sanitizers) {
+  for (let s in sanitizers) {
 
     // checks if there is a function that returns valid params
     if (typeof sanitizers[s].expected === 'function'){
-      /** func returns {array} ex: [{ name: 'text' }, { name: 'parsed_text' }] */
+      /** func returns {array} ex: [{ name: 'text' }] */
       for (let t in sanitizers[s].expected()) {
         /** {object} prop */
         const prop = sanitizers[s].expected()[t];
diff --git a/test/unit/sanitizer/nearby.js b/test/unit/sanitizer/nearby.js
index f816ea62..11ef459e 100644
--- a/test/unit/sanitizer/nearby.js
+++ b/test/unit/sanitizer/nearby.js
@@ -18,7 +18,7 @@ module.exports.tests = {};
 module.exports.tests.interface = function(test, common) {
   test('sanitize interface', function(t) {
     t.equal(typeof sanitize, 'function', 'sanitize is a function');
-    t.equal(sanitize.length, 3, 'sanitize interface takes one argument: req');
+    t.equal(sanitize.length, 3, 'sanitize interface takes three args');
     t.end();
   });
   test('middleware interface', function(t) {
diff --git a/test/unit/sanitizer/place.js b/test/unit/sanitizer/place.js
index ecbe295e..af3a9859 100644
--- a/test/unit/sanitizer/place.js
+++ b/test/unit/sanitizer/place.js
@@ -10,7 +10,7 @@ module.exports.tests = {};
 module.exports.tests.interface = function(test, common) {
   test('sanitize interface', function(t) {
     t.equal(typeof sanitize, 'function', 'sanitize is a function');
-    t.equal(sanitize.length, 3, 'sanitize interface takes one arg: req');
+    t.equal(sanitize.length, 3, 'sanitize interface takes three args');
     t.end();
   });
   test('middleware interface', function(t) {