updated docker link

README.md

@@ -22,7 +22,7 @@ A [finished example](https://lemurian.herokuapp.com) that demonstrates some basi
   `heroku config:add BUILDPACK_URL=https://github.com/kennethreitz/conda-buildpack.git`
 
   The advantages of conda include easier virtual environment management and fast package installation from binaries (as compared to the compilation that pip-installed packages sometimes require).
-  One disadvantage is that binaries take up a lot of memory, and the slug pushed to Heroku is limited to 300 MB. Another note is that the conda buildpack is being deprecated in favor of a Docker solution (see [docker branch](https://github.com/thedataincubator/flask-framework/tree/docker/app) of this repo for an example).
+  One disadvantage is that binaries take up a lot of memory, and the slug pushed to Heroku is limited to 300 MB. Another note is that the conda buildpack is being deprecated in favor of a Docker solution (see [docker branch](https://github.com/thedataincubator/flask-framework/tree/docker) of this repo for an example).
 - Deploy to Heroku: `git push heroku master`
 - You should be able to see your site at `https://<app_name>.herokuapp.com`
 - A useful reference is the Heroku [quickstart guide](https://devcenter.heroku.com/articles/getting-started-with-python-o).