diff --git a/compiler/rustc_smir/src/stable_mir/mod.rs b/compiler/rustc_smir/src/stable_mir/mod.rs
index d93f25249b9e..b242468547c9 100644
--- a/compiler/rustc_smir/src/stable_mir/mod.rs
+++ b/compiler/rustc_smir/src/stable_mir/mod.rs
@@ -32,7 +32,7 @@
 /// A list of crate items.
 pub type CrateItems = Vec<CrateItem>;
 
-/// A list of crate items.
+/// A list of trait decls.
 pub type TraitDecls = Vec<TraitDef>;
 
 /// Holds information about a crate.