diff --git a/man2/shmget.2 b/man2/shmget.2
index 8d44a6285..0e379c593 100644
--- a/man2/shmget.2
+++ b/man2/shmget.2
@@ -258,6 +258,8 @@ System wide maximum number of shared memory segments: implementation
 dependent (currently 4096, was 128 before Linux 2.3.99;
 on Linux, this limit can be read and modified via
 .IR /proc/sys/kernel/shmmni ).
+.\" Kernels between 2.4.x and 2.6.8 had an off-by-one error that meant
+.\" that we could create one more segment than SHMNI -- MTK
 .\" This /proc file is not available in Linux 2.2 and earlier -- MTK
 .PP
 The implementation has no specific limits for the per process maximum