use correct syntax the desired link

Author: tbrowder

doc/Language/faq.pod6

@@ -972,7 +972,7 @@ supply by minimally supplying a single method.
 characters as well as certain Unicode characters in identifiers. (Using
 hyphens instead of underscores in test is commonly called "kebab case"
 among its users. See also "camel case" and "snake case":
-L<|https://en.wikipedia.org/wiki/Letter_case#Special_case_styles>.)
+L<https://en.wikipedia.org/wiki/Letter_case#Special_case_styles>.)
 
 =item Raku's mottos remain the same as they have been for Perl all along:
 “Perl is different. In a nutshell, Perl is designed to make the easy jobs easy,