diff --git a/wordfreq/__init__.py b/wordfreq/__init__.py
index bf68f14..afb1971 100644
--- a/wordfreq/__init__.py
+++ b/wordfreq/__init__.py
@@ -15,6 +15,9 @@ DATA_PATH = pathlib.Path(resource_filename('wordfreq', 'data'))
 CACHE_SIZE = 100000
 
 def load_range(filename):
+    """
+    Loads a file from the data path
+    """
     with (DATA_PATH / filename).open() as file:
         return file.read()