diff --git a/History.markdown b/History.markdown
index 7d4f7a46..fbb8e5e6 100644
--- a/History.markdown
+++ b/History.markdown
@@ -82,6 +82,7 @@
   * Cache Jekyll.sanitized_path (#8424)
   * Memoize array of drop getter method names (#8421)
   * Enhance detection of conflicting destination URLs (#8459)
+  * Debug reading Page and Layout objects (#8100)
 
 ## 4.1.1 / 2020-06-24