diff --git a/docs/en/api/packages/datetime.md b/docs/en/api/packages/datetime.md
index cf6066c..0d93777 100644
--- a/docs/en/api/packages/datetime.md
+++ b/docs/en/api/packages/datetime.md
@@ -66,6 +66,7 @@ import (
 -   [TimestampMicro](#TimestampMicro)
 -   [TimestampNano](#TimestampNano)
 -   [TrackFuncTime](#TrackFuncTime)
+-   [DaysBetween](#DaysBetween)
 -   [GenerateDatetimesBetween](#GenerateDatetimesBetween)