diff --git a/list_langs.py b/list_langs.py
index d4aa133d..f2999787 100755
--- a/list_langs.py
+++ b/list_langs.py
@@ -6,19 +6,19 @@ from urllib.parse import quote
 readme = open('README.md', 'w')
 
 # Copy template to README
-with open('README_nolist.md', 'r') as temp:
-  for line in temp:
+with open('README_nolist.md', 'r') as file:
+  for line in file:
     readme.write(line)
 
 # Write title
 readme.write('\n### This repository currently contains "Hello World" programs in the following languages:\n')
 
 # List the available languages
-for dirname in sorted(os.listdir('.')):
-  if not (dirname == '.' or dirname == '..' or dirname[0] == '.' or os.path.isfile(dirname)):
-    for filename in sorted(os.listdir(dirname), key=lambda s: s.lower()):
-      if os.path.isfile(os.path.join(dirname, filename)):
+for directory in sorted(os.listdir('.')):
+  if not (directory == '.' or directory == '..' or directory[0] == '.' or os.path.isfile(directory)):
+    for filename in sorted(os.listdir(directory), key=lambda s: s.lower()):
+      if os.path.isfile(os.path.join(directory, filename)):
         lang = os.path.splitext(filename)[0].replace('-', ' ').replace('_', ' ').title()
-        readme.write('* [{}]({})\n'.format(lang, quote(os.path.join(dirname, filename))))
+        readme.write('* [{}]({})\n'.format(lang, quote(os.path.join(directory, filename))))
 
 readme.close()