diff --git a/vllm/block.py b/vllm/block.py
index e7fb29c8c2c61..bd00c07adc0d7 100644
--- a/vllm/block.py
+++ b/vllm/block.py
@@ -13,7 +13,7 @@
 
 
 class BlockPool:
-    """A pool of physical blocks.
+    """A pool of logical blocks.
     When requests come, we create a lot of logical blocks;
     when requests are done, we destroy a lot of logical blocks.
     It turns out that creating and destroying logical blocks can be expensive,