Update README and change log after PR #473

[skip ci]

CHANGELOG.md

@@ -15,6 +15,11 @@ henceforth should be documented here.
 
     *Josh Kovach*
 
+*   Add ability to remove sort_link arrows
+    ([pull request](https://github.com/activerecord-hackery/ransack/pull/473)).
+
+    *Fred Bergman*
+
 ### Fixed
 
 *   Make `search_form_for`'s default `:as` option respect the custom search key

README.md

@@ -194,7 +194,8 @@ This example toggles the sort directions of both fields, by default
 initially sorting the `last_name` field by ascending order, and the
 `first_name` field by descending order.
 
-You can remove the order indicator arrow by passing hide_indicator: true
+The sort link may be displayed without the order indicator arrow by passing
+`hide_indicator: true`:
 
 ```erb
 <%= sort_link(@q, :name, hide_indicator: true) %>