Fix sphinx build error.

daspecster · daspecster · commit 91e8880b6975 · 2016-11-23T12:06:07.000-05:00
diff --git a/docs/vision-usage.rst b/docs/vision-usage.rst
@@ -63,7 +63,7 @@ Label Detection
 :meth:`detect_labels` will attempt to label objects in an image.
 If there is a car, person and a dog in the image, label detection will
 attempt to identify those objects and score the level of certainty from
- ``0.0 - 1.0``.
+0.0 to 1.0.
 
 .. code-block:: python
 
