diff --git a/CHANGES.md b/CHANGES.md
index ec750d4..90851ee 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,7 +1 @@
-0.0.8
-- Updated `GTFSFareTransferRule`
-0.0.7
-- Updated `GTFSFareProduct`
-0.0.0 ~ 0.0.6
-- Initial version.
-- Minor updates.
+Updated translation
diff --git a/package-lock.json b/package-lock.json
index a9e90b7..ba4e283 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "gtfs-io",
-  "version": "0.0.9",
+  "version": "0.0.10",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "gtfs-io",
-      "version": "0.0.9",
+      "version": "0.0.10",
       "license": "ISC",
       "dependencies": {
         "adm-zip": "^0.5.10",
diff --git a/package.json b/package.json
index 83aa85e..5f043cb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "gtfs-io",
   "type": "module",
-  "version": "0.0.9",
+  "version": "0.0.10",
   "description": "IO operations for reading and writing GTFS datasets and GTFS type definitions.",
   "main": "dist/index.js",
   "keywords": [
diff --git a/src/files/translation.ts b/src/files/translation.ts
index 3a64946..44f6691 100644
--- a/src/files/translation.ts
+++ b/src/files/translation.ts
@@ -4,7 +4,7 @@ type TranslationByRecordID = {
   /** Defines the record that corresponds to the field to be translated. */
   record_id: string,
   /** Helps the record that contains the field to be translated when the table doesn’t have a unique ID. */
-  record_sub_id: string|number,
+  record_sub_id?: string|number,
   /** Instead of defining which record should be translated by using `record_id` and `record_sub_id`, this field can be used to define the value which should be translated. */
   field_value?: undefined|''
 };