diff --git a/README.rst b/README.rst
index 98fcca3b..d4e9c59b 100755
--- a/README.rst
+++ b/README.rst
@@ -7,7 +7,7 @@ This repository contains the Pine64 fork of Bouffalo Lab's SDK for their BL602
 Wi-Fi/BLE Combo RISC-V SoC. Documentation, including upstream documentation,
 translations, mirrored technical documentation, and original reverse engineered
 documentation is at `bl602-docs <https://github.com/pine64/bl602-docs>`_, which
-is cloned as a submodule of this repository at ``docs``.
+is cloned as a submodule of this repository at ``docs``. Use `git submodule update --init` to initialize the submodule. 
 
 This repository is the central focus of Pine64's
 `Nutcracker Challenge <https://www.pine64.org/2020/10/28/nutcracker-challenge-blob-free-wifi-ble/>`_.