diff --git a/docs/vision/index.rst b/docs/vision/index.rst
index c69240f792bd..96ca97ec7f97 100644
--- a/docs/vision/index.rst
+++ b/docs/vision/index.rst
@@ -62,7 +62,7 @@ You can call the :meth:`annotate_image` method directly:
     >>> client = vision.ImageAnnotatorClient()
     >>> response = client.annotate_image({
     ...   'image': {'source': {'image_uri': 'gs://my-test-bucket/image.jpg'}},
-    ...   'features': [{'type': vision.enums.Feature.Type.FACE_DETECTOIN}],
+    ...   'features': [{'type': vision.enums.Feature.Type.FACE_DETECTION}],
     ... })
     >>> len(response.annotations)
     2