Update requirements

Author: coke

doc/Language/REPL.rakudoc

@@ -55,12 +55,14 @@ shortcuts for editing. There are currently four options:
 =for code :lang<shell>
     zef install Linenoise
 
+This requires a working C<C> toolchain.
+
 =item 3
 
 =for code :lang<shell>
     zef install Readline
 
-This requires an installation of the Readline development library and a working C<C> toolchain.
+This requires an installation of the C<Readline> development library.
 
 =item 4
 
@@ -70,4 +72,10 @@ be done on Debian-ish systems by running:
 =for code :lang<shell>
 sudo apt-get install rlwrap
 
+And then use it to invoke the C<REPL>:
+
+=for code :lang<shell>
+rlwrap raku
+
+
 =end pod