diff --git a/README.md b/README.md
index 03abe957e5..64a29d9b73 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@ twitch-firehose
 ==============
 Service to interact with Twitch.
 
+Protos
+------
+Protos are defined in a git submodule:
+
 ```
 git submodule add git@github.com:storytold/storyteller-protos.git
 ```