diff --git a/man2/shmop.2 b/man2/shmop.2
index 233b5588f..843c8097e 100644
--- a/man2/shmop.2
+++ b/man2/shmop.2
@@ -238,7 +238,7 @@ made relative (typically to the starting address of the segment),
 rather than absolute.
 .PP
 On Linux, it is possible to attach a shared memory segment even if it
-already marked to be deleted.
+is already marked to be deleted.
 However, POSIX.1-2001 does not specify this behaviour and
 many other implementations do not support it.
 .LP