Fixes anchor link

doc/Language/contexts.pod6

@@ -30,7 +30,7 @@ be L<sunk via the C<sink> method|/type/Proc#method_sink>, forcing them to raise
 an exception and not returning anything.
 
 In general, blocks will warn if evaluated in sink context; however,
-L<gather/take blocks|/language/control#Flow%29_gather_take> are explicitly
+L<gather/take blocks|/language/control#F#gather/take> are explicitly
 evaluated in sink context, with values returned explicitly using C<take>;
 however, sinking will explicitly throw away those values, so use sink only if
 you want to run a C<gather> statement for the side effects.