diff --git a/History.markdown b/History.markdown
index 5dcd0a05..76096c22 100644
--- a/History.markdown
+++ b/History.markdown
@@ -66,6 +66,7 @@
   * Add Hawkins to the list of third-party plugins (#4755)
   * Fix a typo in pagination doc (#4763)
   * Switch second GitHub Pages link to HTTPS (#4760)
+  * Explain data file format requirements more clearly in documentation (#4781)
 
 ## 3.1.2 / 2016-02-19