diff --git a/doc/api.txt b/doc/api.txt
index 75a3c3acd0..6acd34feb8 100644
--- a/doc/api.txt
+++ b/doc/api.txt
@@ -637,7 +637,7 @@ Asynchronous readdir(3).  Reads the contents of a directory.
 The callback gets two arguments +(err, files)+ where +files+ is an array of
 the names of the files in the directory excluding +"."+ and +".."+.
 
-+fs.readdir(path, callback)+ ::
++fs.readdirSync(path)+ ::
 Synchronous readdir(3). Returns an array of filenames excluding +"."+ and
 +".."+.