diff --git a/auto_sort/asort_es-ES.py b/auto_sort/asort_es-ES.py
index f566375..1ee510d 100644
--- a/auto_sort/asort_es-ES.py
+++ b/auto_sort/asort_es-ES.py
@@ -1,23 +1,21 @@
 #!/usr/bin/env python3
-# -*-coding: utf-8-*-
-# Author : Christopher L
-# Blog   : http://blog.chriscabin.com
-# GitHub : https://www.github.com/chrisleegit
-# File   : asort.py
-# Date   : 2016/08/22 11:12
+# -*- coding: utf-8 -*-
+# Author: Christopher L
+# Blog: http://blog.chriscabin.com
+# GitHub: https://www.github.com/chrisleegit
+# File: asort.py
+# Date: 2016/08/22 11:12
 # Version: 0.1
 # Description: A very simple python script that can sort items alphabetically.
 
-from __future__ import print_function
 import os
 import shutil
 import re
 
-
 README_FILE = '../README_es-ES.md'
 TEMP_FILE = 'temp_es-ES.md'
 
-# only works for those items between BEGIN and END.
+# Only works for items between BEGIN and END.
 BEGIN = '## Aplicaciones'
 END = '## Configurar'
 
@@ -26,7 +24,7 @@ regex = re.compile(r"[^[]*\[([^]]*)\]")
 def main():
     global README_FILE
 
-    # make sure the script can find file: README.md
+    # Make sure the script can find the file: README.md
     README_FILE = os.path.abspath(README_FILE)
 
     if not os.path.exists(README_FILE):
@@ -34,34 +32,31 @@ def main():
         exit(1)
 
     sort_enable = False
-    items = list()
+    items = []
 
-    print('cargando archivo: {}'.format(README_FILE))
+    print('Cargando archivo: {}'.format(README_FILE))
 
-    # read file: README.md
-    with open(README_FILE) as infile, open(TEMP_FILE, 'w') as outfile:
-        # process each line
+    # Read the file: README.md
+    with open(README_FILE, 'r') as infile, open(TEMP_FILE, 'w') as outfile:
+        # Process each line
         for line in infile:
             if not sort_enable and BEGIN in line:
                 sort_enable = True
 
-            # if sort_enable and END in line:
-            #     sort_enable = False
-
             if sort_enable:
-                # each item starts with a character '-'
-                if line.startswith(('-')):
+                # Each item starts with a character '-'
+                if line.startswith('-'):
                     line = line.strip()
                     items.append(line)
                 # When no more items, blank line or new header
                 elif line == '\n':
-                    # when we meet the next header, we should stop adding new item to the list.
-                    for item in sorted(items, key=lambda x: regex.findall(x.upper())[len(regex.findall(x.upper()))-1]):
-                        # write the ordered list to the temporary file.
+                    # When we meet the next header, we should stop adding new items to the list.
+                    for item in sorted(items, key=lambda x: regex.findall(x.upper())[-1]):
+                        # Write the ordered list to the temporary file.
                         print(item, file=outfile)
                     items.clear()
 
-                    # remember to put the next header in the temporary file.
+                    # Remember to put the next header in the temporary file.
                     print(line, end='', file=outfile)
                 elif line.startswith('#'):
                     sort_enable = False if END in line else True
@@ -71,10 +66,9 @@ def main():
             else:
                 print(line, end='', file=outfile)
 
-    print('reemplazar el archivo original: README_es-ES.md')
+    print('Reemplazar el archivo original: README_es-ES.md')
     shutil.move(TEMP_FILE, README_FILE)
 
 
 if __name__ == '__main__':
     main()
-