Add words on contributing

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/index.md b/index.md
index 24f9158..6b8d219 100644
--- a/index.md
+++ b/index.md
@@ -13,6 +13,13 @@ of all kinds.
 This repository of knowledge will most likely start off as collection of links.
 I will extend it continuousely and add more stuff I know.
 
+## Contributing
+
+If you find mistakes, or want to suggest that I should read something and then
+add a link in my collection here, feel free to
+[submit a patch](https://git-send-email.io).
+The repository is here: [https://git.beyermatthi.as/knowledge/](https://git.beyermatthi.as/knowledge/).
+
 
 ## Why