CHANGELOG.md in 3llo-0.3.0 vs CHANGELOG.md in 3llo-0.3.1

@@ -1,6 +1,10 @@
 # CHANGELOG
 
+## v0.3.1
+
+* Improve self-documentation [#39](https://github.com/qcam/3llo/pull/39).
+
 ## v0.3.0
 
 * Accept multiline in "card comment" command [#33](https://github.com/qcam/3llo/pull/33).
 * Upgrade `tty-prompt` dependency to 0.12.0.
 * Support Ruby 2.0+.