diff --git a/doc/api/readline.md b/doc/api/readline.md
index eaac5f8f79d..034a285073c 100644
--- a/doc/api/readline.md
+++ b/doc/api/readline.md
@@ -744,7 +744,7 @@ function completer(line) {
 }
 ```
 
-The `completer` function can also returns a {Promise}, or be asynchronous:
+The `completer` function can also return a {Promise}, or be asynchronous:
 
 ```js
 async function completer(linePartial) {