feat: add notice section to removeByTimestamp arpc

Signed-off-by: hlts2 <[email protected]>

docs/api/remove.md

@@ -175,6 +175,13 @@ RemoveByTimestamp RPC is the method to remove vectors based on timestamp.
     |  Le   | Less than or Equal.    |
     |  Lt   | Less than.             |
 
+
+  <div class="notice">
+  In the TimestampRequest message, the 'timestamps' field is repeated, allowing the inclusion of multiple Timestamp.<br>
+  When multiple Timestamps are provided, it results in an `AND` condition, enabling the realization of deletions with specified ranges.<br>
+  This design allows for versatile deletion operations, facilitating tasks such as removing data within specific time intervals.
+  </div>
+
 ### Output
 
 - the scheme of `payload.v1.Object.Locations`.