Fixed python header

extmod/modtrezorconfig/modtrezorconfig.c

@@ -27,7 +27,7 @@ STATIC mp_obj_t mod_TrezorConfig_Config_make_new(const mp_obj_type_t *type, size
     return MP_OBJ_FROM_PTR(o);
 }
 
-/// def trezor.config.get(app: int, key: int) -> bytes
+/// def trezor.config.get(app: int, key: int) -> bytes:
 ///     '''
 ///     Gets a value of given key for given app (or None if not set).
 ///     '''
@@ -36,7 +36,7 @@ STATIC mp_obj_t mod_TrezorConfig_Config_get(mp_obj_t self, mp_obj_t app, mp_obj_
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_TrezorConfig_Config_get_obj, mod_TrezorConfig_Config_get);
 
-/// def trezor.config.set(app: int, key: int) -> bool
+/// def trezor.config.set(app: int, key: int) -> bool:
 ///     '''
 ///     Sets a value of given key for given app.
 ///     Returns True on success.