Minor fixes to changelog.

debian/changelog

@@ -2,16 +2,16 @@ tails (0.14~rc1) unstable; urgency=low
 
   * Major new features
   - gpgApplet can now handle public-key cryptography.
-  - Install the an additional, PAE-enabled kernel with NX-bit
+  - Install an additional, PAE-enabled kernel with NX-bit
     support. This kernel is auto-selected when the hardware supports
     it and will:
     * provide executable space protection, preventing certain types of
-      buffer overflows.
+      buffer overflows from being exploitable.
     * enable more than 4 GiB of system memory.
     * make all processors/cores available, including their
-      power-saving functions.
+      power-saving functionality.
   - Add a persistence preset for NetworkManager connections.
-  - Enable Tor stream isolation; several new SocksPort with
+  - Enable Tor stream isolation; several new SocksPorts with
     appropriate Isolate* options have been added for different use
     cases (i.e. applications). All application's have been
     reconfigured to use these new SocksPorts, which should increase