diff --git a/openssl/src/ssl/error.rs b/openssl/src/ssl/error.rs
index 518ae90f..73eb2d47 100644
--- a/openssl/src/ssl/error.rs
+++ b/openssl/src/ssl/error.rs
@@ -73,7 +73,7 @@ pub enum HandshakeError<S> {
     SetupFailure(ErrorStack),
     /// The handshake failed.
     Failure(MidHandshakeSslStream<S>),
-    /// The handshake was interrupted midway through.
+    /// The handshake was interrupted midway through. This error will never be returned for blocking streams.
     Interrupted(MidHandshakeSslStream<S>),
 }