diff --git a/changes/bug9928 b/changes/bug9928
index e19bcf463b..b72cea3d87 100644
--- a/changes/bug9928
+++ b/changes/bug9928
@@ -2,4 +2,5 @@
     - Avoid an off-by-one error when checking buffer boundaries when
       formatting the exit status of a pluggable transport helper.
       This is probably not an exploitable bug, but better safe than
-      sorry. Fixes bug 9928; bugfix on 0.2.3.18-rc.
+      sorry. Fixes bug 9928; bugfix on 0.2.3.18-rc. Bug found by
+      Pedro Ribeiro.