diff --git a/mobile/CONTRIBUTING.md b/mobile/CONTRIBUTING.md
index c59fb0369943..e5c49cbfa616 100644
--- a/mobile/CONTRIBUTING.md
+++ b/mobile/CONTRIBUTING.md
@@ -95,6 +95,8 @@ root and run:
 ./envoy/support/bootstrap
 ```
 
+(Note, you will need to have git submodules initialized first `git submodule update --init --recursive`)
+
 From here, simply commit as normal, and you will see the signoff at the bottom
 of each commit.