diff --git a/general-info/release-19a.txt b/general-info/release-19a.txt
index 7f780970aa4fa9b5f1240849eb2cd93f24c941ee..e404464a0e68e14a6df79cb43abf5bde8027df28 100644
--- a/general-info/release-19a.txt
+++ b/general-info/release-19a.txt
@@ -162,6 +162,8 @@ New in this release:
        cases.
      - Fixed error wherein certain uses of 2 arg ATAN caused a
        compiler error on x86.
+     - Compiler wrongly signaling a type error in VOLATILE-INFO-LOOKUP or
+       COMPACT-INFO-LOOKUP for hash values equal to MOST-POSITIVE-FIXNUM.
 
   * Other changes:
      - CREATE-REQUEST-SERVER has an additional :reuse-address keyword