diff --git a/src/doc/rustdoc/src/what-is-rustdoc.md b/src/doc/rustdoc/src/what-is-rustdoc.md
index 1f6dced180b96..32dc1e02bb3db 100644
--- a/src/doc/rustdoc/src/what-is-rustdoc.md
+++ b/src/doc/rustdoc/src/what-is-rustdoc.md
@@ -10,7 +10,7 @@ CSS, and JavaScript.
 Let's give it a try! Create a new project with Cargo:
 
 ```bash
-$ cargo new docs
+$ cargo new docs --lib
 $ cd docs
 ```