diff --git a/doc/conf.py b/doc/conf.py
index 5d34ae7..7d0fe9c 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -23,7 +23,7 @@
 
 def read_file(*parts):
     """
-    Build an absolute path from *parts* and and return the contents of the
+    Build an absolute path from *parts* and return the contents of the
     resulting file.  Assume UTF-8 encoding.
     """
     with codecs.open(os.path.join(HERE, *parts), "rb", "ascii") as f: