[install-guide] fixing bad punctuation from recent commits

[Pete Travis]

commit c1ab2386639165e34d1431042aadf1520cceda07
Author: Pete Travis <immanetize at fedoraproject.org>
Date:   Thu Jan 17 00:35:07 2013 -0700

    fixing bad punctuation from recent commits

 en-US/pxe-server-config-bios.xml |    2 +-
 en-US/pxe-server-config-efi.xml  |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/en-US/pxe-server-config-bios.xml b/en-US/pxe-server-config-bios.xml
index cd51615..7e2f054 100644
--- a/en-US/pxe-server-config-bios.xml
+++ b/en-US/pxe-server-config-bios.xml
@@ -19,7 +19,7 @@
 	    </step>  
 	    <step>
 	      <para>
-		Start the xinetd service, and enable it to persist across reboots"
+		Start the xinetd service, and enable it to persist across reboots:
                 <screen>
                   <command>systemctl start xinetd</command>
                   <command>systemctl enable xinetd</command>
diff --git a/en-US/pxe-server-config-efi.xml b/en-US/pxe-server-config-efi.xml
index 51affd7..2babdbe 100644
--- a/en-US/pxe-server-config-efi.xml
+++ b/en-US/pxe-server-config-efi.xml
@@ -31,7 +31,7 @@
 	     </step>
 		  <step>
 	      <para>
-		Start the xinetd service, and enable it to persist across reboots"
+		Start the xinetd service, and enable it to persist across reboots
                 <screen>
                   <command>systemctl start xinetd</command>
                   <command>systemctl enable xinetd</command>