diff --git a/pageserver/src/tenant/storage_layer/inmemory_layer/vectored_dio_read.rs b/pageserver/src/tenant/storage_layer/inmemory_layer/vectored_dio_read.rs
index 8fbcd27dca..38d5b7c098 100644
--- a/pageserver/src/tenant/storage_layer/inmemory_layer/vectored_dio_read.rs
+++ b/pageserver/src/tenant/storage_layer/inmemory_layer/vectored_dio_read.rs
@@ -213,7 +213,7 @@ where
     drop(by_chunk);
 
     // Execute physical reads and fill the logical read buffers
-    // TODO: prefetch
+    // TODO: pipelined reads; prefetch;
     let get_io_buffer = |nchunks| Vec::with_capacity(nchunks * DIO_CHUNK_SIZE);
     for PhysicalRead {
         start_chunk_no,