diff --git a/man2/fcntl.2 b/man2/fcntl.2
index fa0eb9e1c..8c92803ad 100644
--- a/man2/fcntl.2
+++ b/man2/fcntl.2
@@ -1497,6 +1497,16 @@ or
 and the file descriptor open mode doesn't match with the
 type of lock requested.
 .TP
+.B EBUSY
+.I cmd
+is
+.BR F_ADD_SEALS ,
+.IR arg
+includes
+.BR F_SEAL_WRITE ,
+and there exists a writable, shared mapping on the file referred to by
+.IR fd . 
+.TP
 .B EDEADLK
 It was detected that the specified
 .B F_SETLKW
@@ -1529,8 +1539,15 @@ is
 .BR F_ADD_SEALS
 and
 .I arg
-includes an unrecognized sealing bit or
-the filesystem containing the inode referred to by
+includes an unrecognized sealing bit.
+.TP
+.BR EINVAL
+.I cmd
+is
+.BR F_ADD_SEALS
+or
+.BR F_GET_SEALS
+and the filesystem containing the inode referred to by
 .I fd
 does not support sealing.
 .TP