Adds the missing changelog entries from some recent PRs (daattali#698)

lexicalunit · web-flow · commit 21021b76d39a · 2020-08-07T22:12:03.000-04:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,7 @@
-## Unreleased version 
+## Unreleased version
 
-- change 1
+- Add support for `site-css` config parameter to provide site-level CSS files. (#695)
+- Add support for `description` YAML parameter to provide a more detailed meta description (#690)
 
 ## v4.0.1 2020-07-13
 
