diff --git a/How-to-create-your-config.md b/How-to-create-your-config.md
index ac327c0..e520a31 100644
--- a/How-to-create-your-config.md
+++ b/How-to-create-your-config.md
@@ -74,6 +74,10 @@ channel="general"
 account="gitter.mygitter"
 channel="42wim/mygreatproject"
 ```
+
+The `.inout` key will forward messages in both directions. You can use `.in` and `.out` to forward in one direction e.g. from (in) discord to (out) gitter.
+
+
 ### Step 6
 Full configuration looks now like this: