1 files changed, 3 insertions, 0 deletions

diff --git a/README.md b/README.md
index 4bda3fd..a96c30d 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,9 @@ cd build
 cmake ..
 make
 ```
+
+> ! WARNING don't forget to initialize submodule needed to build the project.
+
 # launching
 natively under linux you can launch afb-daemon with the low-level and high-level bindings with a command like: