diff --git a/man2/close.2 b/man2/close.2
index f7e517f32..24df80d53 100644
--- a/man2/close.2
+++ b/man2/close.2
@@ -76,7 +76,8 @@ isn't a valid open file descriptor.
 .B EINTR
 The
 .BR close ()
-call was interrupted by a signal.
+call was interrupted by a signal; see
+.BR signal (7).
 .TP
 .B EIO
 An I/O error occurred.
diff --git a/man2/dup.2 b/man2/dup.2
index 15615d56d..1da53eba7 100644
--- a/man2/dup.2
+++ b/man2/dup.2
@@ -118,7 +118,8 @@ and
 .B EINTR
 The
 .BR dup2 ()
-call was interrupted by a signal.
+call was interrupted by a signal; see
+.BR signal (7).
 .TP
 .B EMFILE
 The process already has the maximum number of file
diff --git a/man2/msgop.2 b/man2/msgop.2
index 4ecf262e7..8f68efb45 100644
--- a/man2/msgop.2
+++ b/man2/msgop.2
@@ -136,7 +136,8 @@ a signal is caught, in which case the system call fails
 with
 .I errno
 set to
-.BR EINTR .
+.BR EINTR ; see
+.BR signal (7).
 .RB ( msgsnd ()
 is never automatically restarted after being interrupted by a
 signal handler, regardless of the setting of the
@@ -379,7 +380,8 @@ the message queue was removed.
 .TP
 .B EINTR
 While the process was sleeping to receive a message,
-the process caught a signal.
+the process caught a signal; see
+.BR signal (7).
 .TP
 .B EINVAL
 .I msgqid
diff --git a/man3/scanf.3 b/man3/scanf.3
index 0e8fcf167..c473088d9 100644
--- a/man3/scanf.3
+++ b/man3/scanf.3
@@ -554,7 +554,8 @@ is invalid, or not open for reading.
 Input byte sequence does not form a valid character.
 .TP
 .B EINTR
-The read operation was interrupted by a signal.
+The read operation was interrupted by a signal; see
+.BR signal (7).
 .TP
 .B EINVAL
 Not enough arguments; or