Update NEWS.md

Author: lorenzwalthert

NEWS.md

@@ -36,7 +36,7 @@
 * ensure a trailing blank line also if the input is cached (#867).
 * Preserve trailing blank line in roxygen examples to simplify concatenation of
   examples (#880).
-* guarantee that styled code is now parsable (#892).
+* added guarantee that styled code is parsable (#892).
 * An error is now thrown on styling if input unicode characters can't be 
   correctly parsed for Windows and R < 4.2 (#883).
 * Fix argument name `filetype` in Example for `style_dir()` (#855).