diff --git a/src/bootstrap/src/core/build_steps/clippy.rs b/src/bootstrap/src/core/build_steps/clippy.rs
index 21ac6c505c30..7374c2b1cf29 100644
--- a/src/bootstrap/src/core/build_steps/clippy.rs
+++ b/src/bootstrap/src/core/build_steps/clippy.rs
@@ -1,3 +1,5 @@
+//! Implementation of running clippy on the compiler, standard library and various tools.
+
 use std::path::Path;
 
 use crate::builder::Builder;