Update README.md

Moved SemVer mention to a more appropriate place

Author: rishitb-mongodb

README.md

@@ -17,6 +17,8 @@ the [MongoDB PHP library](https://github.com/mongodb/mongo-php-library), which
 implements the same higher level APIs found in MongoDB drivers for other
 languages.
 
+The MongoDB PHP Driver follows [semantic versioning](https://semver.org/) for its releases.
+
 ## Documentation
 
  - https://www.php.net/mongodb
@@ -84,8 +86,6 @@ gpg --verify php_mongodb.dll.sig php_mongodb.dll.tgz
 > and cannot be verified. If you need to verify the integrity of the downloaded
 > binary, always download them from the GitHub release.
 
-The MongoDB PHP Driver follows [semantic versioning](https://semver.org/) for its releases.
-
 ## Reporting Issues
 
 Issues pertaining to the extension should be reported in the