diff --git a/src/general-info/release-20f.txt b/src/general-info/release-20f.txt
index 8df0287f7fc5b10a0d69c4cde2cb0313f130e367..628236bf2145f994d6d11da5f161422978f1090e 100644
--- a/src/general-info/release-20f.txt
+++ b/src/general-info/release-20f.txt
@@ -45,6 +45,8 @@ New in this release:
     * Run-time checks for zero pages on newly allocated pages has been
       disabled now that the lazy zeroing of the heap pages has been
       the default for several months now.
+    * Add lisp-unit as a contrib.  Use (require :lisp-unit) to load
+      it.  Precompiled fasls are not included.
 
   * ANSI compliance fixes:
     * The values on the branch cuts for the inverse trig and