Improve the wording of a changelog entry

Author: bbatsov

CHANGELOG.md

@@ -7,7 +7,7 @@
 * Vertically align sexps with `C-c SPC`. This can also be done automatically (as part of indentation) by turning on `clojure-align-forms-automatically`.
 * Indent and font-lock forms that start with `let-`, `while-` or `when-` like their counterparts.
 * Apply the `font-lock-comment-face` to code commented out with `#_`.
-* Add indentation for `this-as`.
+* Add indentation config for ClojureScript's `this-as`.
 
 ### Bugs fixed