Try to workaround busted link parser

Author: zoffixznet

doc/Language/5to6-nutshell.pod6

@@ -1444,7 +1444,7 @@ Rakudo supports this only for modules so far.
 
 =head2 AUTOLOAD
 
-The L«C<FALLBACK> method|/language/typesystem#index-entry-FALLBACK_%28method%29»
+The L«C<FALLBACK> method|/language/typesystem#index-entry-FALLBACK_(method)»
 provides similar functionality.
 
 =head2 Importing specific functions from a module