diff --git a/source/data-formats/codecs.txt b/source/data-formats/codecs.txt
index 7a68c137..785c835d 100644
--- a/source/data-formats/codecs.txt
+++ b/source/data-formats/codecs.txt
@@ -339,7 +339,7 @@ corresponding ``Codec`` to handle encoding and decoding:
   kelvins as an ``Int`` value. For this field, use the ``IntegerCodec``
   provided in the BSON library.
 
-The following code shows how to can implement a ``Codec`` for the
+The following code shows how to implement a ``Codec`` for the
 ``Monolight`` class. The constructor expects an instance of
 ``CodecRegistry`` from which it retrieves the ``Codec`` instances needed
 to encode and decode the class fields: