diff --git a/general-info/release-20b.txt b/general-info/release-20b.txt
index 3a4bc224850b688125ff4ff9b3abd77a963d8c51..aec612a67c79ffe9b0a5381fd5ad978c71909f80 100644
--- a/general-info/release-20b.txt
+++ b/general-info/release-20b.txt
@@ -127,6 +127,8 @@ New in this release:
     #22: sun4_solaris_sunc config uses gcc to build motif
       This is fixed.  If Sun C is used to build lisp, it is also used
       to build motifd.
+    #39: non-standard lexical syntax
+      The reader macros are no longer installed by default.
 
   * Other changes:
     - :freebsd4 is no longer a *feature*