2 files changed, 6 insertions, 1 deletions

diff --git a/readme.md b/readme.md
index 3dcb7d6..f0c42b7 100644
--- a/readme.md
+++ b/readme.md
@@ -22,6 +22,11 @@ A demonstration is available
 [here](https://beamerviewer.pacien.org/#file=sample/demo.pdf).
 
 
+## Contributing
+
+Issues and patches: email the author.
+
+
 ## License
 
 Copyright (C) 2018-2023 Pacien TRAN-GIRARD
diff --git a/todo.md b/todo.md
index 8f38545..ac11167 100644
--- a/todo.md
+++ b/todo.md
@@ -2,7 +2,7 @@
   - [x] copy the github issues to this file
   - [ ] update stackoverflow links to cgit
   - [x] update app links to cgit
-  - [ ] add note about sending patches and remarks via email in readme
+  - [x] add note about sending patches and remarks via email in readme
 
 - [x] use a button to open popups (to avoid triggering popup blockers)
   - [x] confirm whether action clicks do not trigger the blocker