CHANGELOG.md in translate_self-0.6.0 vs CHANGELOG.md in translate_self-0.7.0

@@ -24,6 +24,10 @@
 - Add TranslatableString class to work around frozen string literal magic comment. 
   Also will not crash with frozen strings now. 
 
 ## [0.6.0] - 2021-06-08
 
-- Add option to use ENV variable DEEPL_HOST
+- Add option to use ENV variable DEEPL_HOST
+
+## [0.7.0] - 2021-06-08
+
+- Get rid of duplicated code. Update `benchmark.rb`.
\ No newline at end of file