diff --git a/History.markdown b/History.markdown
index 0360d3cf..b4f99681 100644
--- a/History.markdown
+++ b/History.markdown
@@ -186,6 +186,7 @@
   * Remove duplicate entry in list of third-party plugins (#2206)
   * Reduce the whitespace in the favicon. (#2213)
   * Add `jekyll-page-collections` to list of third-party plugins (#2215)
+  * Add a to cross-reference about `post_url` (#2243)
 
 ## 1.5.1 / 2014-03-27