diff --git a/src/libs/middlewares/parseParams.js b/src/libs/middlewares/parseParams.js
index 3f841e15920dccc0d2ff0875f622a743ea957bb9..d7595702916708393934b90989ad7ccfbe49dc6d 100644
--- a/src/libs/middlewares/parseParams.js
+++ b/src/libs/middlewares/parseParams.js
@@ -18,17 +18,18 @@ const log = require(`${libs}/log`)(module);
 
 const _ = require('lodash')
 
-function parseParams(queryParam, arr) {
+function parseParams(queryField, arr) {
     return (req, res, next) => {
-        req[queryParam] = {};
-        if (req.query[queryParam]) {
-            const params = req.query[queryParam].split(',');
+        req[queryField] = {};
+        if (req.query[queryField]) {
+            const params = req.query[queryField].split(',');
             // Temporary object to hold the params and it's values
             const obj = {};
             for (const param of params) {
-                // Get the key and the value - state:41 is key 'state' whith value 41
+                // Get the key and the value - state:41 is key 'state' whith value 41.
+                // kv is then an array [key, value] or [key] if there is no value
                 const kv = param.split(':');
-                // Check if there is a value. If there isn't, assign null
+                // Check if there is a value. If there isn't, assign true
                 obj[kv[0]] = (typeof kv[1] === 'undefined') ? true : kv[1];
             }
 
@@ -42,14 +43,14 @@ function parseParams(queryParam, arr) {
                 // and assign it to the custom attribute in the req obj.
                 // For example: instersection => ["state"] so
                 // obj[intersection[i]] (with i=0) is obj["state"], that is 41
-                // and req[queryParam]["state"] = 41
+                // and req[queryField]["state"] = 41
                 for (let i = 0; i < intersection.length; ++i) {
-                    req[queryParam][intersection[i]] = obj[intersection[i]];
+                    req[queryField][intersection[i]] = obj[intersection[i]];
                 }
-                req[queryParam].size = intersection.length;
+                req[queryField].size = intersection.length;
             } else {
-                req[queryParam] = obj;
-                req[queryParam].size = Object.keys(obj).length;
+                req[queryField] = obj;
+                req[queryField].size = Object.keys(obj).length;
             }
         }
         next();