diff --git a/man2/shmget.2 b/man2/shmget.2
index 1c9f774c3..7b5752b06 100644
--- a/man2/shmget.2
+++ b/man2/shmget.2
@@ -276,7 +276,9 @@ On Linux, this limit can be read and modified via
 .IR /proc/sys/kernel/shmall .
 .TP
 .B SHMMAX
-Maximum size in bytes for a shared memory segment: policy dependent.
+Maximum size in bytes for a shared memory segment.
+Since Linux 2.2, the default value of this limit is 0x2000000 (32MB).
+
 On Linux, this limit can be read and modified via
 .IR /proc/sys/kernel/shmmax .
 .TP