Changes in write_xlsx-0.85.8 vs Changes in write_xlsx-0.85.9

@@ -1,6 +1,9 @@
 Change history of write_xlsx rubygem.
 
[phone] v0.85.9
+   apply pull-request #59 and #60
+
 2020-09-03 v0.85.8
    apply pull-request #58 and #52
 
 2019-06-20 v0.85.7
    apply pull-request #26