Update api-reference/beta/api/note-delta.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: MSFT-Andrea

api-reference/beta/api/note-delta.md

@@ -1,5 +1,5 @@
 ---
-title: "Note: delta"
+title: "note: delta"
 description: "Get a set of note objects that were added, updated, or deleted in the user's Notes folder since the last delta query."
 author: "rajeshvulla"
 ms.date: 04/07/2026