diff --git a/man2/shmop.2 b/man2/shmop.2
index 52baed96c..c9bd92986 100644
--- a/man2/shmop.2
+++ b/man2/shmop.2
@@ -207,7 +207,6 @@ was NULL.
 Could not allocate memory for the descriptor or for the page tables.
 .PP
 .BR shmdt ()
-.I errno
 can fail with one of the following errors:
 .TP
 .B EINVAL