Update spec/function.dd

Co-authored-by: Max Haughton <[email protected]>

Author: dkorpel

spec/function.dd

@@ -1941,7 +1941,7 @@ $(H3 $(LNAME2 ref-return-scope-parameters, Ref Return Scope Parameters))
         for the same parameter.
         When a parameter is passed by `ref` and has both the `return` and `scope` attributes,
         it gets $(LINK2 #return-scope-parameters, `return scope`) semantics if and only if the `return` and `scope`
-        keywords appear adjacent to each other, and in that order.
+        keywords appear adjacent to each other, in that order.
         In other cases, the parameter gets $(LINK2 #return-ref-parameters, `return ref`) semantics
         and regular $(LINK2 #scope-parameters, `scope`) semantics:)