diff --git a/server/middleware/parseURL.js b/server/middleware/parseURL.js
index 58f71f8..e3e3b5a 100644
--- a/server/middleware/parseURL.js
+++ b/server/middleware/parseURL.js
@@ -2,14 +2,14 @@ const validateNpmPackageName = require("validate-npm-package-name");
 const parsePackageURL = require("../utils/parsePackageURL");
 const createSearch = require("./utils/createSearch");
 
-const KnownQueryParams = {
+const knownQueryParams = {
   main: true,
   meta: true,
   module: true
 };
 
 function isKnownQueryParam(param) {
-  return !!KnownQueryParams[param];
+  return !!knownQueryParams[param];
 }
 
 function queryIsKnown(query) {
diff --git a/server/utils/validatePackageName.js b/server/utils/isValidPackageName.js
similarity index 62%
rename from server/utils/validatePackageName.js
rename to server/utils/isValidPackageName.js
index 29ed28c..a698755 100644
--- a/server/utils/validatePackageName.js
+++ b/server/utils/isValidPackageName.js
@@ -1,7 +1,7 @@
 const validateNpmPackageName = require("validate-npm-package-name");
 
-function validatePackageName(packageName) {
+function isValidPackageName(packageName) {
   return validateNpmPackageName(packageName).errors == null;
 }
 
-module.exports = validatePackageName;
+module.exports = isValidPackageName;
diff --git a/server/utils/parsePackageURL.js b/server/utils/parsePackageURL.js
index 481a17d..6019786 100644
--- a/server/utils/parsePackageURL.js
+++ b/server/utils/parsePackageURL.js
@@ -1,5 +1,5 @@
 const url = require("url");
-const validatePackageName = require("./validatePackageName");
+const isValidPackageName = require("./isValidPackageName");
 
 const URLFormat = /^\/((?:@[^/@]+\/)?[^/@]+)(?:@([^/]+))?(\/.*)?$/;
 
@@ -15,18 +15,22 @@ function decodeParam(param) {
   return "";
 }
 
-function parsePackageURL(packageURL) {
-  const { pathname, search, query } = url.parse(packageURL, true);
+function parsePackageURL(originalURL) {
+  const { pathname, search, query } = url.parse(originalURL, true);
 
   const match = URLFormat.exec(pathname);
 
   // Disallow invalid URL formats.
-  if (match == null) return null;
+  if (match == null) {
+    return null;
+  }
 
   const packageName = match[1];
 
   // Disallow invalid npm package names.
-  if (!validatePackageName(packageName)) return null;
+  if (!isValidPackageName(packageName)) {
+    return null;
+  }
 
   const packageVersion = decodeParam(match[2]) || "latest";
   const filename = decodeParam(match[3]);