diff --git a/docs/WHATSNEW b/docs/WHATSNEW
index 920d55de..2576c962 100644
--- a/docs/WHATSNEW
+++ b/docs/WHATSNEW
@@ -27,7 +27,10 @@ CHANGES TO REMIND
   that are easier on the eyes.
 
 - IMPROVEMENT: remind: Remind used to have three completely separate
-  hash table implementations.  Replace them all with one piece of code.
+  hash table implementations.  They have all been replaced with a single
+  implementation; this new implementation adapts the hash table size based
+  on the number of entries and is dramatically faster than the old code
+  when there are a large number of entries.
 
 - MINOR FIXES: remind: Fix typos in comments; use memcpy to copy OMIT
   contexts internally.