Fix help command

xml/ha_bootstrap_install.xml

@@ -187,7 +187,7 @@
       <para>
         Alternatively, you can specify additional options as part of the initialization command.
         You can include multiple options in the same command. Some examples are shown below.
-        For more options, run <command>crm cluster help init</command>.
+        For more options, run <command>crm cluster init --help</command>.
       </para>
       <variablelist>
       <varlistentry>
@@ -464,13 +464,6 @@ crm cluster join --use-ssh-agent -c <replaceable>USER</replaceable>@<replaceable
     </para>
   </sect1>
 
-  <sect1 xml:id="sec-ha-install-cluster-init-stages">
-    <title>Modifying the cluster with <command>crm cluster init</command> stages</title>
-    <para>
-      TO DO
-    </para>
-  </sect1>
-
   <sect1 xml:id="sec-ha-install-cluster-remove">
     <title>Removing nodes with <command>crm cluster remove</command></title>
     <para>
@@ -495,7 +488,7 @@ crm cluster join --use-ssh-agent -c <replaceable>USER</replaceable>@<replaceable
     </para>
 <screen>&prompt.root;<command>crm cluster remove --force <replaceable>LASTNODE</replaceable></command></screen>
     <para>
-      For more information, run <command>crm cluster help remove</command>.
+      For more information, run <command>crm cluster remove --help</command>.
     </para>
   </sect1>
 </chapter>