Update README.md

janza · web-flow · commit 0d42489a6f54 · 2017-05-18T23:02:29.000+02:00
diff --git a/README.md b/README.md
@@ -7,4 +7,4 @@ Usage:
     docker run -it docker-python3-opencv python
     >>> import cv2
 
-Image tagged with :contrib contains docker image built with [contrib modules](https://github.com/opencv/opencv_contrib/)
+Image tagged with `:contrib` contains docker image built with [contrib modules](https://github.com/opencv/opencv_contrib/)
