bpo-37034: Display argument name on errors with keyword arguments with Argument Clinic. (GH-13593)

diff --git a/Modules/clinic/_weakref.c.h b/Modules/clinic/_weakref.c.h
index aa0d77f..c3a908f 100644
--- a/Modules/clinic/_weakref.c.h
+++ b/Modules/clinic/_weakref.c.h
@@ -54,7 +54,7 @@
         goto exit;
     }
     if (!PyDict_Check(args[0])) {
-        _PyArg_BadArgument("_remove_dead_weakref", 1, "dict", args[0]);
+        _PyArg_BadArgument("_remove_dead_weakref", "argument 1", "dict", args[0]);
         goto exit;
     }
     dct = args[0];
@@ -64,4 +64,4 @@
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=eae22e2d2e43120e input=a9049054013a1b77]*/
+/*[clinic end generated code: output=c543dc2cd6ece975 input=a9049054013a1b77]*/