diff --git a/doc/api/readline.md b/doc/api/readline.md
index bac425fa37e659..2c6e29088544cb 100644
--- a/doc/api/readline.md
+++ b/doc/api/readline.md
@@ -452,6 +452,10 @@ autocompletion is disabled when copy-pasted input is detected.
 
 If the `stream` is a [TTY][], then it must be in raw mode.
 
+*Note*: This is automatically called by any readline instance on its `input`
+if the `input` is a terminal. Closing the `readline` instance does not stop
+the `input` from emitting `'keypress'` events.
+
 ```js
 readline.emitKeypressEvents(process.stdin);
 if (process.stdin.isTTY)