Add notes

README.md

@@ -21,10 +21,11 @@ The tutorial uses [cUrl](https://ec.haxx.se/) commands throughout, but is also a
 
 -   このチュートリアルは[日本語](README.ja.md)でもご覧いただけます。
 
-:warning: **Note:** This tutorial is designed for **NGSI-v2** developers looking to switch or upgrade systems to
-**NGSI-LD**, if you are building a linked data system from scratch or you are not already familiar with **NGSI-v2** then
-it is recommmended that you look directly at the
-[NGSI-LD developers tutorial](https://ngsi-ld-tutorials.readthedocs.io/) documentation.
+> [!NOTE]
+>  This tutorial is designed for **NGSI-v2** developers looking to switch or upgrade systems to
+> **NGSI-LD**, if you are building a linked data system from scratch or you are not already familiar with **NGSI-v2** then
+> it is recommmended that you look directly at the
+> [NGSI-LD developers tutorial](https://ngsi-ld-tutorials.readthedocs.io/) documentation.
 
 ## Contents