Fix typos

debian/changelog

@@ -4,7 +4,7 @@ tails (1.7~rc1) unstable; urgency=medium
     - Add a technology preview of the Icedove Email client (a
       rebranded version of Mozilla Thunderbird), including OpenPGP
       support via the Enigmail add-on, general security and anonymity
-      improvements via the Torbirdy add-on, and complete persitence
+      improvements via the Torbirdy add-on, and complete persistence
       support (which will be enabled automatically if you already have
       Claws Mail persistence enabled). Icedove will replace Claws Mail
       as the supported email client in Tails in a future
@@ -13,7 +13,7 @@ tails (1.7~rc1) unstable; urgency=medium
       improvement of this new Tor major release, the new
       KeepAliveIsolateSOCKSAuth option allows us to drop the
       bug15482.patch patch (taken from the Tor Browse bundle) that
-      enabled similar (but inferiour) functionality for *all*
+      enabled similar (but inferior) functionality for *all*
       SocksPort:s -- now the same circuit is only kept alive for
       extended periods for the SocksPort used by the Tor
       Browser. (Closes: #10194, #10308)