diff --git a/res/strings/en.properties b/res/strings/en.properties
index 3344738..9dbbdd3 100644
--- a/res/strings/en.properties
+++ b/res/strings/en.properties
@@ -9,4 +9,5 @@
 extract_feature=Extract Feature
 anim_settings=Animation Settings
 normal=Normal
+auto_tracking=Auto Tracking
 view=View
\ No newline at end of file
diff --git a/res/strings/ja.properties b/res/strings/ja.properties
index eda5566..c2499a2 100644
--- a/res/strings/ja.properties
+++ b/res/strings/ja.properties
@@ -9,5 +9,6 @@
 extract_feature=\u6A5F\u80FD\u62BD\u51FA
 anim_settings=\u30A2\u30CB\u30E1\u30FC\u30B7\u30E7\u30F3\u8A2D\u5B9A
 normal=\u901A\u5E38
+auto_tracking=\u81EA\u52D5\u8FFD\u8DE1
 view=\u8868\u793A