Update 1.5.0.md

Author: rasamassen

docs/changes/1.x/1.5.0.md

@@ -7,6 +7,7 @@
 ### Bug fixes
 
 - Set writeAttribute return type by [@radarhere](https://github.com/radarhere) fixing [#2204](https://github.com/PHPOffice/PHPWord/issues/2204) in [#2776](https://github.com/PHPOffice/PHPWord/pull/2776)
+- Add additional sizes to Paper [@rasamassen](https://github.com/rasamassen), partially fixing [#1656](https://github.com/PHPOffice/PHPWord/issues/1656), in [#2829](https://github.com/PHPOffice/PHPWord/pull/2829)
 
 ### Miscellaneous
 
@@ -16,4 +17,4 @@
 
 ### BC Breaks
 
-### Notes
+### Notes