Replace more Perl 6 references with Raku

rakudo-star/content.md

@@ -1,6 +1,6 @@
 # What is Rakudo Star?
 
-Rakudo Star is a Raku distribution designed for use by early adopters of the language. It includes a virtual machine (the JVM or MoarVM), the Rakudo compiler, and a suite of modules that users may find useful. This image includes the MoarVM backend for the compiler.
+Rakudo Star is a Raku (formerly known as Perl 6) distribution designed for use by early adopters of the language. It includes a virtual machine (the JVM or MoarVM), the Rakudo compiler, and a suite of modules that users may find useful. This image includes the MoarVM backend for the compiler.
 
 Project homepage: [http://rakudo.org](http://rakudo.org)
 
@@ -8,13 +8,13 @@ GitHub repository: [https://github.com/rakudo/star](https://github.com/rakudo/st
 
 The Dockerfile responsible: [http://github.com/raku/docker/tree/master/Dockerfile](http://github.com/raku/docker/tree/master/Dockerfile)
 
-Perl 6 Language Documentation: [http://docs.raku.org/](http://docs.raku.org/)
+Raku Language Documentation: [http://docs.raku.org/](http://docs.raku.org/)
 
 %%LOGO%%
 
 # How to use this image
 
-Simply running a container with the image will launch a Perl 6 REPL:
+Simply running a container with the image will launch a Raku REPL:
 
 ```console
 $ docker run -it %%IMAGE%%
@@ -30,6 +30,6 @@ $ docker run -it %%IMAGE%% raku -e 'say "Hello!"'
 
 # Contributing/Getting Help
 
-Many Perl 6 developers are present on #raku on Freenode.
+Many Raku developers are present on #raku on Freenode.
 
 Issues for Rakudo are tracked in [on GitHub](https://github.com/rakudo/rakudo/issues/).