update news

Author: cpsievert

NEWS.md

@@ -2,9 +2,9 @@
 
 ## BUG FIXES
 
+* When `height`/`width` are specified in `ggplotly()`, relative sizes are now translated correctly. Fixes #489 and #510.
 * More careful handling of font when expanding annotation arrays. Fixes #738.
-* Ignore data arrays of non-tidy traces. Fixes #737
-
+* Ignore data arrays of non-tidy traces. Fixes #737.
 
 # 4.5.5 -- 28 September 2016