diff --git a/source/bson-binary-vector/bson-binary-vector.md b/source/bson-binary-vector/bson-binary-vector.md
index 8c02addb3a..16031f6988 100644
--- a/source/bson-binary-vector/bson-binary-vector.md
+++ b/source/bson-binary-vector/bson-binary-vector.md
@@ -66,7 +66,8 @@ All values use the little-endian format.
 
 ### Reference Implementation
 
-Please consult the Python driver's `pymongo.binary` module.
+Please consult the Python driver's
+[pymongo.binary](https://github.com/mongodb/mongo-python-driver/blob/master/bson/binary.py) module.
 
 ### Test Plan