Make wording less confusing

src/test/ui/error-codes/E0044.rs

@@ -1,7 +1,7 @@
 extern {
     fn sqrt<T>(f: T) -> T;
     //~^ ERROR foreign items may not have type parameters [E0044]
-    //~| HELP use specialization instead of type parameters by replacing them with concrete types
+    //~| HELP replace the type parameters with concrete types
     //~| NOTE can't have type parameters
 }