From 3961a0ce001668fb7307051077bfd83a8430c723 Mon Sep 17 00:00:00 2001
From: Arnout Engelen <arnout@bzzt.net>
Date: Thu, 31 Jan 2019 19:15:05 +0100
Subject: [PATCH] Clarify Javadoc now needs jdk9+

Because jdk8 does not have the option to ignore the errors in the
genjavadoc-generated java code.
---
 CONTRIBUTING.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a85422b831..a17b19e1b7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -274,7 +274,7 @@ If you'd like to check if your links and formatting look good in JavaDoc (and no
 sbt -Dakka.genjavadoc.enabled=true javaunidoc:doc
 ```
 
-Which will generate JavaDoc style docs in `./target/javaunidoc/index.html`.
+Which will generate JavaDoc style docs in `./target/javaunidoc/index.html`. This requires a jdk version 9 or later.
 
 ## External dependencies