ok to use this as an adjective here

Author: coke

doc/Language/packages.pod6

@@ -25,7 +25,7 @@ sigil). This includes:
     $Foo::Bar::baz      # compound identifiers separated by ::
     $Foo::($bar)::baz   # compound identifiers that perform interpolations
     $42                 # numeric names
-    $!                  # certain punctuational variables
+    $!                  # certain punctuation variables
 
 X<|::,package>
 C<::> is used to separate nested package names.