[skip ci] Fix grammar (#12888)

Signed-off-by: Nsida shen <sida.shen@zilliz.com>

docs/design_docs/milvus_hybrid_ts_en.md

@@ -22,7 +22,7 @@ Note, physical part is the UTC time in Milliseconds.
 
 ![Timestamp struct](./graphs/time_stamp_struct.jpg)
 
-For some users such as DBAs, they will want to sort the operations and list them in UTC time order.
+For some users such as DBAs, they would want to sort the operations and list them in UTC time order.
 
 Actually, we can use the TSO order to sort the `Insert` operations or `Delete` operations.