diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 78f68a80c50..88b0e4b987c 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -1392,6 +1392,10 @@ declare namespace ts {
         name: Identifier;
     }
     type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier;
+    /**
+     * This is either an `export =` or an `export default` declaration.
+     * Unless `isExportEquals` is set, this node was parsed as an `export default`.
+     */
     interface ExportAssignment extends DeclarationStatement {
         kind: SyntaxKind.ExportAssignment;
         parent?: SourceFile;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index bdcc29af76e..29949410ed5 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -1392,6 +1392,10 @@ declare namespace ts {
         name: Identifier;
     }
     type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier;
+    /**
+     * This is either an `export =` or an `export default` declaration.
+     * Unless `isExportEquals` is set, this node was parsed as an `export default`.
+     */
     interface ExportAssignment extends DeclarationStatement {
         kind: SyntaxKind.ExportAssignment;
         parent?: SourceFile;