diff --git a/website/docs/developer-guide/contributing.md b/website/docs/developer-guide/contributing.md
index f9b9e0ec5..8920e32ec 100644
--- a/website/docs/developer-guide/contributing.md
+++ b/website/docs/developer-guide/contributing.md
@@ -32,7 +32,7 @@ We value contributions in this order:
 
 | Requirement | Notes |
 |-------------|-------|
-| **Git** | With `--recurse-submodules` support |
+| **Git** | With `--recurse-submodules` support, and the `git-lfs` extension installed |
 | **Python 3.11+** | uv will install it if missing |
 | **uv** | Fast Python package manager ([install](https://docs.astral.sh/uv/)) |
 | **Node.js 18+** | Optional — needed for browser tools and WhatsApp bridge |