CHANGELOG.md in zenlish-0.1.21 vs CHANGELOG.md in zenlish-0.1.22

@@ -1,6 +1,17 @@
 # CHANGELOG
 
+## [0.1.22] - 2019-12-03
+__Zenlish__ can parse all sentences in lesson 1, 2 and 3-A .. 3-D from
+ [Learn These Words First](http://learnthesewordsfirst.com/).
+
+ ### Changed
+ - File `zparser_spec.rb`: tests include all sentences from lesson 1, 2, and 3-D (290 sentences in total).
+ - `ZenlishGrammar`: allow coordination of determiners.
+ - Class `IndefiniteQuantifier` renamed to `Quantifier`
+ - File `dictionary.rb`: new entries in lexicon `become`, `exist`, `someplace`.
+ - File `README.md` Updated the metrics table
+
 ## [0.1.21] - 2019-12-02
 __Zenlish__ can parse all sentences in lesson 1, 2 and 3-A .. 3-C from
  [Learn These Words First](http://learnthesewordsfirst.com/).
 
  ### Added