- Describe -b option for "gnt-cluster init"

- Fix typo

man/gnt-cluster.sgml

@@ -130,6 +130,7 @@
     <cmdsynopsis>
       <command>init</command>
       <arg>-s <replaceable>secondary_ip</replaceable></arg>
+      <arg>-b <replaceable>bridge</replaceable></arg>
       <arg choice="req"><replaceable>clustername</replaceable></arg>
     </cmdsynopsis>
     <para>
@@ -163,6 +164,11 @@
       a separate network, of course.
     </para>
 
+    <para>
+      The <option>-b</option> option specifies the default bridge for
+      instances.
+    </para>
+
     <cmdsynopsis>
       <command>masterfailover</command>
     </cmdsynopsis>

man/gnt-instance.sgml

@@ -103,7 +103,7 @@
         <para>
           The <option>-b</option> option specifies the bridge to which the
           instance will be connected. (defaults to the cluster-wide default
-          bridge specified at cluster intialization time).
+          bridge specified at cluster initialization time).
         </para>
 
         <para>