diff --git a/Release-Notes.md b/Release-Notes.md
index 4b27252..c6800bb 100644
--- a/Release-Notes.md
+++ b/Release-Notes.md
@@ -8,9 +8,10 @@
 * Able to enable old icons in **Toolbar** [#34](https://github.com/Sigmanor/Crypto-Notepad/issues/34)
 * Able to hide app to tray (while minimize or closing) [#35](https://github.com/Sigmanor/Crypto-Notepad/issues/35)
 * Able to make app window always on top of all other windows [#36](https://github.com/Sigmanor/Crypto-Notepad/issues/36)
+* Single Instance [#37](https://github.com/Sigmanor/Crypto-Notepad/issues/37)
 * Added setting to display border around the editor.
 * Added placeholders for text fields in **Change Key** and **Encryption key** windows.
-* Able to hide **Close button** on toolbar.
+* Able to hide **Close button** in toolbar.
 * Added border setting for **Search panel**.
 * Able to hide main menu.