diff --git a/vllm/v1/attention/backend.py b/vllm/v1/attention/backend.py
index 13082608c47c..49eb91576ed6 100644
--- a/vllm/v1/attention/backend.py
+++ b/vllm/v1/attention/backend.py
@@ -347,7 +347,7 @@ def replace(self, **kwargs) -> "CommonAttentionMetadata":
         """
     Prefer using device seq_lens directly to avoid implicit H<>D sync.
     If a CPU copy is needed, use `seq_lens.cpu()` instead.
-    Will be removed in a future release (v0.15.0)
+    Will be removed in a future release, please migrate as soon as possible.
     """
     )
     def seq_lens_cpu(self) -> torch.Tensor:
@@ -361,7 +361,7 @@ def seq_lens_cpu(self) -> torch.Tensor:
     Prefer using device seq_lens directly to avoid implicit H<>D sync which breaks full
     async scheduling. If a CPU copy is needed, it can be derived from 
     query_start_loc_cpu and seq_lens.
-    Will be removed in a future release (v0.15.0)
+    Will be removed in a future release, please migrate as soon as possible.
     """
     )
     def num_computed_tokens_cpu(self) -> torch.Tensor: