_sidebar.md

 [Home](https://community.opengroup.org/osdu/documentation/-/wikis/home)
 
-[Release Information](/Releases)\
-    [Release 2](/Releases/R2.0)
+<details>
+  <summary>[Release Information](/Releases)</summary>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Release 2](/Releases/R2.0)  
+</details>
+
+<details>
+  <summary>[Architecture](/Architecture)</summary>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Reference Architecture](https://community.opengroup.org/osdu/documentation/-/wikis/Architecture)
+</details>
+
 
-[Reference Architecture](https://community.opengroup.org/osdu/documentation/-/wikis/Architecture)
\ No newline at end of file