tiny changes to the announcement

docs/announce/2014.12.md

@@ -38,7 +38,7 @@ Some of the new compiler features added to this release include:
 - Introduce IO::Handle.slurp-rest for slurping rest from the handle
 - Fix tie-breaking issues with longest literal matching
 - Method FALLBACK implemented
-- $*DISTRO and $*KERNEL updated ($*DISTRO now actually report the Linux dist)
+- $\*DISTRO and $\*KERNEL updated ($*DISTRO now actually report the Linux dist)
 - Added Metamodel::Primitives, to open up more meta-programming possibilities
   (publishing method caches, completely custom meta-objects, etc.)
 
@@ -51,7 +51,7 @@ Changes to modules included in Rakudo Star:
 - panda now ignores POD while determining module dependencies.
 - panda now can [upload test results to testers.perl6.org server](http://perl6advent.wordpress.com/2014/12/21/day-21-community-smoke-testing/).
 - panda now displays help with correct command descriptions when using `--help`.
-- panda has an `smoke` option to download and test all Perl 6 modules.
+- panda has a `smoke` option to download and test all Perl 6 modules.
 - panda can now use `look` option in order to download modules without doing anything else.
 - [HTTP::Easy](https://github.com/supernovus/perl6-http-easy) has received a few algorithm optimizations that made it faster.
 - HTTP::Easy now binds to all interfaces by default when acting as a web server.
@@ -66,12 +66,12 @@ Some of the not-quite-there features include:
   * threads and concurrency (in progress for the JVM and MoarVM backend)
   * Unicode strings at levels other than codepoints
   * interactive readline that understands Unicode
-  * non-blocking I/O
+  * non-blocking I/O (in progress for the JVM and MoarVM backend)
   * much of Synopsis 9 and 11
 
 There is an online resource at <http://perl6.org/compilers/features>
-that lists the known implemented and missing features of Rakudo and
-other Perl 6 implementations.
+that lists the known implemented and missing features of Rakudo's
+backends and other Perl 6 implementations.
 
 In many places we've tried to make Rakudo smart enough to inform the
 programmer that a given feature isn't implemented, but there are many