diff --git a/README.md b/README.md
index 1cafb6a600d450d4241bc592f5b6a1081a89672d..7a38da61833657f8ae38cd74ec87975ec4b4c65f 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,12 @@ You develop your games in Lua and you are only allowed to have one Lua file
 where all your code lives. You can then load external assets like images and
 sounds.
 
+> [!IMPORTANT]
+> The Raylib library in the `vendor` folder contains prebuilt artifacts. All
+> libraries are also available in the `archive` folder. You can manually
+> download and replace them from official repositories if desired; they have
+> not been tampered with.
+
 ## Libraries
 
 - https://github.com/rxi/microtar