fix link

Author: gfldex

doc/Type/Mu.pod

@@ -251,7 +251,7 @@ Marks a type as being exported, that is, available to external users.
 A user of a module or class automatically gets all the symbols imported that
 are marked as C<is export>.
 
-See L</language/modules#Exporting and Selective Importing> for more details.
+See L</language/modules#Exporting_and_Selective_Importing> for more details.
 
 =head2 method take