Fix the variable link

Closes #4248

Author: coke

doc/Type/Distribution/Resource.rakudoc

@@ -8,7 +8,7 @@
 
 A C<Distribution::Resource> is every one of the individual resources (files
 or libraries) that are returned as values of the
-L<C<%?RESOURCES>|/syntax/%?RESOURCES> dynamic variable (which,
+L<C<%?RESOURCES>|/language/variables#%?RESOURCES> dynamic variable (which,
 itself, is an instance of C<Distribution::Resources>. These resources are
 installed as part of the standard distribution installation process; please
 check the definition of C<%?RESOURCES> above for more context.