Tweaked table width to fixed and corrected spelling error

Signed-off-by: Nathan Booth <nath.booth@gmail.com>

public/styles/normal.css

@@ -112,6 +112,7 @@ div.incident {
 
 table{
    background:#fff;
+   table-layout:fixed;
 }
 
 table th, table td {

source/webui/templates/admin/service.tpl

@@ -51,7 +51,7 @@
             {if $sites}
     			<table class="bordered-table" name="sites_list_table"><!--Services table -->
 				    <thead>
-				        <th>Sites</th>
+				        <th>Site</th>
     				    <th>Description</th>
 				        <th>Action</th>
 			        </thead>