Igor suggested moving sentence to new line.

Zap traililng whitespace.

PR:		212447
Approved by:	bcr (mentor)
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D8116

sbin/etherswitchcfg/etherswitchcfg.8

@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 20, 2013
+.Dd October 2, 2016
 .Dt ETHERSWITCHCFG 8
 .Os
 .Sh NAME
@@ -116,12 +116,13 @@ for details on
 and
 .Cm mediaopt .
 .It Cm led Ar number style
-Sets the display style for a given LED.  Available styles are: 
-.Cm default 
+Sets the display style for a given LED.
+Available styles are:
+.Cm default
 (usually flash on activity),
-.Cm on , 
-.Cm off , 
-and 
+.Cm on ,
+.Cm off ,
+and
 .Cm blink .
 Not all switches will support all styles.
 .El