doc: documentation fixes - migration finished

doc/migration.rst

@@ -23,23 +23,23 @@ generated by Bind.
    request Bind to flush the zone into the zone file: ``rndc flush
    example.com``.
 
-   Note: If dynamic updates (DDNS) are enabled for the given zone, you
+   *Note:* If dynamic updates (DDNS) are enabled for the given zone, you
    might need to freeze the zone before flushing it. That can be done
    similarly: ``rndc freeze example.com``
 
 2. Copy the fresh zone file into the zones storage directory of Knot
-   DNS. It's default location is ``/var/lib/knot``.
+   DNS. Its default location is ``/var/lib/knot``.
 
 3. We recommend to store DNSSEC keys for each zone in a separate
    directory. For this purpose, create a directory
-   ``example.com.keys`` in zones storage directory. Then copy all
+   ``example.com.keys`` in the zones storage directory. Then copy all
    DNSSEC keys (``*.key`` and ``*.private``) from Bind key directory
    (configured as ``key-directory``) into the newly created one.
 
 4. Add the zone into the Knot DNS configuration file. Zone
-   configuration should contain at least specification of the zone
+   configuration should contain at least the specification of the zone
    file (option ``file``), key directory (option ``kasp-db``),
-   and enable automatic DNSSEC signing (option ``dnssec-signing``).
+   and permission for automatic DNSSEC signing (option ``dnssec-signing``).
 
    You can follow this example::