Update CHANGELOG.md

Co-authored-by: JakeQZ <[email protected]>

Author: oliverklee

CHANGELOG.md

@@ -28,7 +28,7 @@ Please also have a look at our
 
 ### Removed
 
-- Remove `OutputFormat::level()` (#874))
+- Remove `OutputFormat::level()` (#874)
 - Remove expansion of shorthand properties (#838)
 - Remove `Parser::setCharset/getCharset` (#808)
 - Remove `Rule::getValues()` (#582)