Reword about issue #1719.

Author: fluca1978

STYLEGUIDE.md

@@ -80,8 +80,8 @@ To avoid the version number to be wrapped on a separate line from the 'Perl' ter
 use a [non-breaking space (NBSP)](https://en.wikipedia.org/wiki/Non-breaking_space),
 that is coded as Unicode character U+00A0.
 
-See also [issue 1719](https://github.com/perl6/doc/issues/1719) which contains also
-a simple Perl one-liner apply NBSP to 'Perl 5|6'.
+See also [issue 1719](https://github.com/perl6/doc/issues/1719) which contains
+a  Perl one-liner to apply NBSP to 'Perl 5|6'.
 
 ### Domain