diff --git a/src/proto/h1/io.rs b/src/proto/h1/io.rs
index bcd0204d2f..7f41bd3a51 100644
--- a/src/proto/h1/io.rs
+++ b/src/proto/h1/io.rs
@@ -19,7 +19,7 @@ pub(crate) const MINIMUM_MAX_BUFFER_SIZE: usize = INIT_BUFFER_SIZE;
 
 /// The default maximum read buffer size. If the buffer gets this big and
 /// a message is still not complete, a `TooLarge` error is triggered.
-// Note: if this changes, update server::conn::Http::max_buf_size docs.
+// Note: if this changes, update server::conn::http1::Builder::max_buf_size docs.
 pub(crate) const DEFAULT_MAX_BUFFER_SIZE: usize = 8192 + 4096 * 100;
 
 /// The maximum number of distinct `Buf`s to hold in a list before requiring