Merge pull request docker#10966 from kumarlokesh/patch-1

doc: updated README.md to remove broken link

Author: glours

README.md

@@ -1,6 +1,5 @@
 # Table of Contents
 - [Docker Compose v2](#docker-compose-v2)
-- [About update and backward compatibility](#about-update-and-backward-compatibility)
 - [Where to get Docker Compose](#where-to-get-docker-compose)
     + [Windows and macOS](#windows-and-macos)
     + [Linux](#linux)
@@ -84,4 +83,4 @@ If you find an issue, please report it on the
 Legacy
 -------------
 
-The Python version of Compose is available under the `v1` [branch](https://github.com/docker/compose/tree/v1).
+The Python version of Compose is available under the `v1` [branch](https://github.com/docker/compose/tree/v1).