diff --git a/voussoirkit/betterhelp.py b/voussoirkit/betterhelp.py
index b6da2cd..322dbb8 100644
--- a/voussoirkit/betterhelp.py
+++ b/voussoirkit/betterhelp.py
@@ -1,5 +1,7 @@
 import functools
 
+HELPSTRINGS = {'', 'help', '-h', '--help'}
+
 def docstring_preview(text, indent=None):
     text = text.split('\n\n')[0]
     if indent:
@@ -28,11 +30,9 @@ def add_previews(docstring, sub_docstrings):
 def betterhelp(docstring):
     def wrapper(main):
         def wrapped(argv):
-            helpstrings = {'', 'help', '-h', '--help'}
-
             argument = listget(argv, 0, '').lower()
 
-            if argument in helpstrings:
+            if argument in HELPSTRINGS:
                 print(docstring)
                 return 1
 
@@ -43,20 +43,18 @@ def betterhelp(docstring):
 def subparser_betterhelp(main_docstring, sub_docstrings):
     def wrapper(main):
         def wrapped(argv):
-            helpstrings = {'', 'help', '-h', '--help'}
-
             command = listget(argv, 0, '').lower()
 
             if command not in sub_docstrings:
                 print(main_docstring)
                 if command == '':
                     print('You are seeing the default help text because you did not choose a command.')
-                elif command not in helpstrings:
+                elif command not in HELPSTRINGS:
                     print(f'You are seeing the default help text because "{command}" was not recognized')
                 return 1
 
             argument = listget(argv, 1, '').lower()
-            if argument in helpstrings:
+            if argument in HELPSTRINGS:
                 print(sub_docstrings[command])
                 return 1