From 8eaa6944113550e65d2a5fb88f35d2bac3de782a Mon Sep 17 00:00:00 2001
From: Gav <gavin@parity.io>
Date: Tue, 20 Feb 2018 11:27:21 +0100
Subject: [PATCH] More mssing doc.

---
 substrate/substrate/primitives/src/block.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/substrate/substrate/primitives/src/block.rs b/substrate/substrate/primitives/src/block.rs
index 619920b40f..10315d2309 100644
--- a/substrate/substrate/primitives/src/block.rs
+++ b/substrate/substrate/primitives/src/block.rs
@@ -90,6 +90,7 @@ impl Slicable for Digest {
 
 impl NonTrivialSlicable for Digest { }
 
+/// Generic types to be specialised later.
 pub mod generic {
 	use super::{Header, Slicable, Input, NonTrivialSlicable};