diff --git a/crates/hir_expand/src/db.rs b/crates/hir_expand/src/db.rs
index dc65cd1f3c..ac9a9001b4 100644
--- a/crates/hir_expand/src/db.rs
+++ b/crates/hir_expand/src/db.rs
@@ -366,7 +366,7 @@ fn macro_expand(db: &dyn AstDatabase, id: MacroCallId) -> ExpandResult<Option<Ar
 
     let macro_arg = match db.macro_arg(id) {
         Some(it) => it,
-        None => return ExpandResult::str_err("Fail to lower args to token tree".into()),
+        None => return ExpandResult::str_err("Fail to lower macro args to token tree".into()),
     };
 
     let macro_rules = match db.macro_def(loc.def) {