diff --git a/doc/api/fs.md b/doc/api/fs.md
index 745d95ee4f0b0e..3082e0f92d8559 100644
--- a/doc/api/fs.md
+++ b/doc/api/fs.md
@@ -2794,6 +2794,8 @@ changes:
   * `mode` {string|integer} Not supported on Windows. **Default:** `0o777`.
 * `callback` {Function}
   * `err` {Error}
+  * `path` {string|undefined} Present only if a directory is created with
+    `recursive` set to `true`.
 
 Asynchronously creates a directory.