Suffix "i.e." and "e.g." with a comma. Just another really picky man page

commit, as we want our documentation to be as consistently formatted as
possible (it's getting there :-)).

1 files changed, 1 insertions, 1 deletions

diff --git a/usr.sbin/arp/arp.8 b/usr.sbin/arp/arp.8
index b60db3d277f..df3f2cbe14e 100644
--- a/usr.sbin/arp/arp.8
+++ b/usr.sbin/arp/arp.8
@@ -91,7 +91,7 @@ entry for the host called
 with the Ethernet address
 .Ar ether_addr .
 The Ethernet address is given as six hex bytes separated by
-colons.  The entry will be static, i.e. not time out, unless the word
+colons.  The entry will be static, i.e., not time out, unless the word
 .Ar temp
 is given in the command.  A static ARP entry can be overwritten
 by network traffic, unless the word