diff --git a/README.md b/README.md
index eea090f498ffaf2c811ee55f31e08652fa60f7ab..4470a70eab6bb5a92a4e6c69e896c40efc373bc6 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,15 @@ source .env
 **For temporary env variable in powershell**
 ```$env:BING_MAP_KEY = 'Ar7cmpEAx_LoIKFwOuz15AOa6RobbU1CMbgdmPUUJGklvkbKQy1Dz8MwRohxv7kz'```
 
+## BDD
+
+* In order to run BDD tests switch your environment to test, so `.env` file would look like this (be sure to type `source .env` too!):
+
+```
+export BING_MAP_KEY="Ar7cmpEAx_LoIKFwOuz15AOa6RobbU1CMbgdmPUUJGklvkbKQy1Dz8MwRohxv7kz"
+export MIX_ENV="test"
+```
+
 ## Start
 
 To start your Phoenix server: