formatting code typo

stoned · stoned · commit ede6d5fa171e · 2020-05-08T23:41:47.000+02:00
diff --git a/doc/Language/regexes.pod6 b/doc/Language/regexes.pod6
@@ -1315,7 +1315,7 @@ that are followed by a unit (like I<kg>), but not other numbers:
 Since the lookahead is not part of the match object, the unit
 is not substituted.
 
-=head2 «Lookbehind assertions|regex, after; regex, <?after>»
+=head2 X«Lookbehind assertions|regex, after; regex, <?after>»
 
 To check that a pattern appears after another pattern, use a
 lookbehind assertion via the C<after> assertion. This has the form:
