diff --git a/man2/prctl.2 b/man2/prctl.2
index 2b8e7ab6f..1b149512f 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -155,7 +155,9 @@ must be either 0
 process is not dumpable) or 1
 .RB ( SUID_DUMP_USER ,
 process is dumpable).
-Between kernels 2.6.13 and 2.6.17, the value 2 was also permitted,
+Between kernels 2.6.13 and 2.6.17,
+.\" commit abf75a5033d4da7b8a7e92321d74021d1fcfb502
+the value 2 was also permitted,
 which caused any binary which normally would not be dumped
 to be dumped readable by root only;
 for security reasons, this feature has been removed.