From 630e25dc652e1a7b382ee212412fe8f09240f28b Mon Sep 17 00:00:00 2001
From: Daniel Himmelstein <daniel.himmelstein@gmail.com>
Date: Wed, 14 Sep 2016 15:38:34 -0400
Subject: [PATCH] Add update instructions for conda environment

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index fe333d0..9b7fd43 100644
--- a/README.md
+++ b/README.md
@@ -13,4 +13,10 @@ With conda, you can create the `cognoma-machine-learning` environment by running
 conda env create --quiet --force --file environment.yml
 ```
 
+If `environment.yml` has changed since you created the environment, run the following update command:
+
+```sh
+conda env update --file environment.yml
+```
+
 Activate the environment by running `source activate cognoma-machine-learning` on Linux or OS X and `activate cognoma-machine-learning` on Windows. Once this environment is active in a terminal, run `jupyter notebook` to start a notebook server.