diff --git a/crates/hir_expand/src/db.rs b/crates/hir_expand/src/db.rs
index 3ebe194e405..18a05579f45 100644
--- a/crates/hir_expand/src/db.rs
+++ b/crates/hir_expand/src/db.rs
@@ -85,7 +85,7 @@ pub(crate) fn map_id_up(&self, id: tt::TokenId) -> (tt::TokenId, mbe::Origin) {
 pub trait AstDatabase: SourceDatabase {
     fn ast_id_map(&self, file_id: HirFileId) -> Arc<AstIdMap>;
 
-    /// Main public API -- parsis a hir file, not caring whether it's a real
+    /// Main public API -- parses a hir file, not caring whether it's a real
     /// file or a macro expansion.
     #[salsa::transparent]
     fn parse_or_expand(&self, file_id: HirFileId) -> Option<SyntaxNode>;