diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/macro_error.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/macro_error.rs
index f8780fc0da71..2cd6a71c001c 100644
--- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/macro_error.rs
+++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/macro_error.rs
@@ -13,7 +13,7 @@ pub(crate) fn macro_error(ctx: &DiagnosticsContext<'_>, d: &hir::MacroError) ->
     )
 }
 
-// Diagnostic: macro-error
+// Diagnostic: macro-def-error
 //
 // This diagnostic is shown for macro expansion errors.
 pub(crate) fn macro_def_error(ctx: &DiagnosticsContext<'_>, d: &hir::MacroDefError) -> Diagnostic {