3 files changed, 9 insertions, 6 deletions

diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
index f125877d433e..c3fc4d831a78 100644
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -179,8 +179,9 @@ and
 .Pp
 The system imposes a limit on the number of file descriptors
 open simultaneously by one process.
-.Xr Getdtablesize 2
-returns the current system limit.
+The
+.Xr getdtablesize 2
+system call returns the current system limit.
 .Sh RETURN VALUES
 If successful,
 .Fn open
diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2
index 62b329886eeb..1c38751db9c7 100644
--- a/lib/libc/sys/sigaction.2
+++ b/lib/libc/sys/sigaction.2
@@ -264,8 +264,9 @@ or
 all signals, the signal mask, the signal stack,
 and the restart/interrupt flags are inherited by the child.
 .Pp
-.Xr Execve 2
-reinstates the default
+The
+.Xr execve 2
+system call reinstates the default
 action for all signals which were caught and
 resets all signals to be caught on the user stack.
 Ignored signals remain ignored;
diff --git a/lib/libc/sys/socket.2 b/lib/libc/sys/socket.2
index 8031165c970c..606099b37035 100644
--- a/lib/libc/sys/socket.2
+++ b/lib/libc/sys/socket.2
@@ -226,10 +226,11 @@ The operation of sockets is controlled by socket level
 .Em options .
 These options are defined in the file
 .Ao Pa sys/socket.h Ac .
-.Xr Setsockopt 2
+The
+.Xr setsockopt 2
 and
 .Xr getsockopt 2
-are used to set and get options, respectively.
+system calls are used to set and get options, respectively.
 .Sh RETURN VALUES
 A -1 is returned if an error occurs, otherwise the return
 value is a descriptor referencing the socket.