doc: fix a typo in fs.openAsBlob

Signed-off-by: Daeyeon Jeong <daeyeon.dev@gmail.com>
PR-URL: #47693
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

Author: daeyeon

doc/api/fs.md

@@ -3383,10 +3383,9 @@ added: v19.8.0
 Returns a {Blob} whose data is backed by the given file.
 
 The file must not be modified after the {Blob} is created. Any modifications
-will cause reading the {Blob} data to fail with a `DOMException`.
-error. Synchronous stat operations on the file when the `Blob` is created, and
-before each read in order to detect whether the file data has been modified
-on disk.
+will cause reading the {Blob} data to fail with a `DOMException` error.
+Synchronous stat operations on the file when the `Blob` is created, and before
+each read in order to detect whether the file data has been modified on disk.
 
 ```mjs
 import { openAsBlob } from 'node:fs';