Add notes about resizing

circle/templates/info/resize.html

@@ -253,9 +253,10 @@
         <p>
           {% blocktrans %}
           Press <strong>n</strong> to create new partition.
-          Type <strong>l</strong> to choose logical type.
-          Set partition number - the same as the Linux LVM (vda5) has above: <strong>5</strong>.
+          If not selected automatically, type <strong>l</strong> to choose logical type, and
+          set partition number - the same as the Linux LVM (vda5) has above: <strong>5</strong>.
           You can use the default starting and ending sector.
+          Do <strong>NOT</strong> remove the LVM2_member signature.
           {% endblocktrans %}
         </p>
       </li>