examples/mdoc: Remove document description quotes

Quotes in roff do not work the way quotes in shell do,
remove them from the examples to hopefully lead less people astray.

MFC after:	3 days

4 files changed, 4 insertions, 4 deletions

diff --git a/share/examples/mdoc/example.1 b/share/examples/mdoc/example.1
index daffb8bc0422..8305cf45944c 100644
--- a/share/examples/mdoc/example.1
+++ b/share/examples/mdoc/example.1
@@ -10,7 +10,7 @@
 .Os
 .Sh NAME
 .Nm example
-.Nd "example command manual page"
+.Nd example command manual page
 .Sh SYNOPSIS
 .Nm
 .Op Fl abc
diff --git a/share/examples/mdoc/example.3 b/share/examples/mdoc/example.3
index 22c398e0491c..a1e47b34064b 100644
--- a/share/examples/mdoc/example.3
+++ b/share/examples/mdoc/example.3
@@ -10,7 +10,7 @@
 .Os
 .Sh NAME
 .Nm example
-.Nd "example library function manual page"
+.Nd example library function manual page
 .Sh LIBRARY
 .\" Note: list of available libraries is available in mdoc(7)
 .Lb libc
diff --git a/share/examples/mdoc/example.4 b/share/examples/mdoc/example.4
index a51d9ca9262b..534444b05abf 100644
--- a/share/examples/mdoc/example.4
+++ b/share/examples/mdoc/example.4
@@ -10,7 +10,7 @@
 .Os
 .Sh NAME
 .Nm example
-.Nd "example device driver manual page"
+.Nd example device driver manual page
 .Sh SYNOPSIS
 To compile the driver into the kernel,
 place the following lines in the
diff --git a/share/examples/mdoc/example.9 b/share/examples/mdoc/example.9
index f105f7465f2c..3e56aa4ad89c 100644
--- a/share/examples/mdoc/example.9
+++ b/share/examples/mdoc/example.9
@@ -10,7 +10,7 @@
 .Os
 .Sh NAME
 .Nm example
-.Nd "example kernel interface manual page"
+.Nd example kernel interface manual page
 .Sh SYNOPSIS
 .In sys/example.h
 .Ft int