Adding PHP Extras - requested fixes - 4

Author: bobstrecansky

assets.md

@@ -169,13 +169,14 @@ Link: https://pypi.org/user/opentelemetry/
 
 ### PHP Extras
 
-##### SIG Extra Repositories: https://github.com/opentelemetry-php
+SIG Extra Repositories: https://github.com/opentelemetry-php
 
-These read only repository clones are used in order to create split-repos, which are necessary for packagist php package publishing.
+Owners:
 
-##### Packagist: https://packagist.org/packages/open-telemetry/
+- [@bobstrecansky](https://github.com/bobstrecansky)
+- [@brettmc](https://github.com/brettmc)
 
-These are the published packages for opentelemetry-php (used by package managers like [composer](https://getcomposer.org))
+Packagist: https://packagist.org/?query=open-telemetry
 
 Owners:
 
@@ -366,4 +367,3 @@ GitHub repository](https://github.com/open-telemetry/sig-security).
 
 * Advisories Dashboard
 * Snyk
-