remove extra byte and fix comment
diff --git a/Objects/stringlib/formatter.h b/Objects/stringlib/formatter.h
index 5b7b3dc..7b29a9d 100644
--- a/Objects/stringlib/formatter.h
+++ b/Objects/stringlib/formatter.h
@@ -649,8 +649,8 @@
case LT_DEFAULT_LOCALE:
locale_info->decimal_point = ".";
locale_info->thousands_sep = ",";
- locale_info->grouping = "\3\0"; /* Group every 3 characters,
- trailing 0 means repeat
+ locale_info->grouping = "\3"; /* Group every 3 characters. The
+ (implicit) trailing 0 means repeat
infinitely. */
break;
case LT_NO_LOCALE: