Rename utf8b error handler to surrogateescape.
diff --git a/Modules/python.c b/Modules/python.c
index 4c0a55b..13c6d5b 100644
--- a/Modules/python.c
+++ b/Modules/python.c
@@ -42,7 +42,7 @@
 			return res;
 		PyMem_Free(res);
 	}
-	/* Conversion failed. Fall back to escaping with utf8b. */
+	/* Conversion failed. Fall back to escaping with surrogateescape. */
 #ifdef HAVE_MBRTOWC
 	/* Try conversion with mbrtwoc (C99), and escape non-decodable bytes. */