diff --git a/codegen/README.md b/codegen/README.md
index 5099d3a4..075f2929 100644
--- a/codegen/README.md
+++ b/codegen/README.md
@@ -1,5 +1,10 @@
 Procedural Macros for Plugins
 =============================
 
+![Rhai logo](https://rhai.rs/book/images/logo/rhai-banner-transparent-colour.svg)
+
 This crate holds procedural macros for code generation, supporting the plugins system
 for [Rhai](https://github.com/rhaiscript/rhai).
+
+This crate is automatically referenced by the [Rhai crate](https://crates.io/crates/rhai).
+Normally it should not be used directly.