diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
index 979f62466e..7acfbe1ded 100644
--- a/locale/circuitpython.pot
+++ b/locale/circuitpython.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-12-07 15:35-0800\n"
+"POT-Creation-Date: 2020-12-07 16:05-0800\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
diff --git a/py/circuitpy_defns.mk b/py/circuitpy_defns.mk
index f13f69bcf2..39ff2e380f 100644
--- a/py/circuitpy_defns.mk
+++ b/py/circuitpy_defns.mk
@@ -407,6 +407,7 @@ $(filter $(SRC_PATTERNS), \
 	microcontroller/ResetReason.c \
 	microcontroller/RunMode.c \
 	msgpack/__init__.c \
+	msgpack/ExtType.c \
 	supervisor/RunReason.c \
 )
 
diff --git a/shared-bindings/msgpack/ExtType.c b/shared-bindings/msgpack/ExtType.c
index 3a4eee3884..dfccbd3ef2 100644
--- a/shared-bindings/msgpack/ExtType.c
+++ b/shared-bindings/msgpack/ExtType.c
@@ -34,7 +34,7 @@
 //|     def __init__(self, code: int, data: bytes) -> None:
 //|         """Constructor"""
 //|
-//|         :param int code: type code in range 0~127.
+//|         :param int code: type code in range 0 .. 127.
 //|         :param bytes data: representation.
 
 STATIC mp_obj_t mod_msgpack_exttype_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {