Changelog changes

Author: AJIXuMuK

CHANGELOG.JSON

@@ -7,7 +7,8 @@
         "enhancements": [
           "`FilePicker`: Fixes for OneDrive CORS issues [#407](https://github.com/SharePoint/sp-dev-fx-controls-react/pull/407)",
           "`ListItemPicker`: added new control property `filter` [#392](https://github.com/SharePoint/sp-dev-fx-controls-react/pull/392)",
-          "allowing to use context from any type of SPFx extensions: [#419](https://github.com/SharePoint/sp-dev-fx-controls-react/pull/419)"
+          "allowing to use context from any type of SPFx extensions: [#419](https://github.com/SharePoint/sp-dev-fx-controls-react/pull/419)",
+          "`Placeholder`: remove unused and vendor specific CSS [#426](https://github.com/SharePoint/sp-dev-fx-controls-react/pull/426)"
         ],
         "fixes": [
           "Documentation fix for `FilePicker`: updated `accepts` value in props [#404](https://github.com/SharePoint/sp-dev-fx-controls-react/pull/404)",
@@ -27,7 +28,8 @@
         "[João Mendes](https://github.com/joaojmendes)",
         "[PrasadKasireddy](https://github.com/PrasadKasireddy)",
         "[Chad Eiserloh](https://github.com/c-eiser13)",
-        "[Koen Zomers](https://github.com/KoenZomers)"
+        "[Koen Zomers](https://github.com/KoenZomers)",
+        "[Dmitry Rogozhny](https://github.com/dmitryrogozhny)"
       ]
     },
     {