Fix typo; BenGoldberg++

Author: zoffixznet

doc/Language/io-guide.pod6

@@ -22,7 +22,7 @@ L«C<$*SPEC>|/language/variables#Dynamic_variables» provides low-level stuff an
 its use will not only make your code horrible to read, you'll likely introduce
 security issues (e.g. nul bytes)!
 
-The L«C<IO::Path>|/type/IO::Path» type is the workhorse of Perl 6 worl. It
+The L«C<IO::Path>|/type/IO::Path» type is the workhorse of Perl 6 world. It
 caters to all the path manipulation needs as well as provides shortcut routines
 that let you avoid dealing with file handles. Use that instead of the
 L«C<$*SPEC>|/language/variables#Dynamic_variables» stuff.