Fix a pod directive in .comb

Author: briandfoy

doc/Type/Str.pod6

@@ -427,7 +427,7 @@ Examples:
     multi method comb(Str:D $input: Int:D $size, $limit = Inf)
 
 Searches for C<$matcher> in C<$input> and returns a list of non-overlapping
-matches limited to at most C<$limit> matches.  If <$matcher> is a Regex,
+matches limited to at most C<$limit> matches.  If C<$matcher> is a Regex,
 each C<Match> object is converted to a C<Str>, unless C<$match> is set.
 
 If no matcher is supplied, a list of characters in the string is returned,