diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
index bfc47cf..e4c2259 100644
--- a/scripts/qapi/parser.py
+++ b/scripts/qapi/parser.py
@@ -716,8 +716,9 @@
 
     def check_expr(self, expr: QAPIExpression) -> None:
         if self.returns and 'command' not in expr:
-            raise QAPISemError(self.returns.info,
-                               "'Returns:' is only valid for commands")
+            raise QAPISemError(
+                self.returns.info,
+                "'Returns' section is only valid for commands")
 
     def check(self) -> None:
 
diff --git a/tests/qapi-schema/doc-invalid-return.err b/tests/qapi-schema/doc-invalid-return.err
index 3d9e71c..aafd57b 100644
--- a/tests/qapi-schema/doc-invalid-return.err
+++ b/tests/qapi-schema/doc-invalid-return.err
@@ -1 +1 @@
-doc-invalid-return.json:6: 'Returns:' is only valid for commands
+doc-invalid-return.json:6: 'Returns' section is only valid for commands