Eliminates accidental MD refs #2022

Author: JJ

doc/Language/regexes.pod6

@@ -477,7 +477,7 @@ occur between each of the matches. For example, C<a+ % ','> will match
 C<a> or C<a,a> or C<a,a,a>, etc. To also match trailing delimiters
 ( C<a,> or C<a,a,> ), you can use C<%%> instead of C<%>.
 
-The quantifier interacts with `%` and controls the number of overall
+The quantifier interacts with C<%> and controls the number of overall
 repetitions that can match successfully, so C<a* % ','> also matches the empty
 string. If you want match words delimited by commas, you might need to nest an
 ordinary and a modified quantifier: