diff --git a/doc/api/buffer.md b/doc/api/buffer.md
index 1c10785feb3b46..a2c446dba93d1a 100644
--- a/doc/api/buffer.md
+++ b/doc/api/buffer.md
@@ -1122,7 +1122,7 @@ Examples:
 const buf = Buffer.from('this is a buffer');
 
 // Prints: 0
-console.log(buf.indexOf('this')));
+console.log(buf.indexOf('this'));
 
 // Prints: 2
 console.log(buf.indexOf('is'));