1 files changed, 2 insertions, 0 deletions
diff --git a/README.md b/README.md
index 798ca5292f..5b29bcdecf 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,8 @@ module ApplicationCable
   end
 end
 ```
+Here `identified_by` is a connection identifier that can be used to find the specific connection again or later.
+Note that anything marked as an identifier will automatically create a delegate by the same name on any channel instances created off the connection.
 
 Then you should define your `ApplicationCable::Channel` class in Ruby. This is the place where you put
 shared logic between your channels.