diff --git a/History.markdown b/History.markdown
index 3a844840..dec8be87 100644
--- a/History.markdown
+++ b/History.markdown
@@ -138,6 +138,7 @@
   * Read build options for `jekyll clean` command (#3828)
   * Fix #3970: Use Gem::Version to compare versions, not >.
   * Abort if no subcommand. Fixes confusing message. (#3992)
+  * Whole-post excerpts should match the post content (#4004)
 
 ### Development Fixes