Auto merge of #36652 - giannicic:issue-36553, r=nrc

this commit corrects E0520 error text.
See referenced issue for further info

r? @nrc

src/test/compile-fail/E0520.rs

@@ -27,7 +27,7 @@ impl SpaceLlama for i32 {
     default fn fly(&self) {}
     //~^ ERROR E0520
     //~| NOTE cannot specialize default item `fly`
-    //~| NOTE either the parent `impl` or `fly` in the parent `impl` must be marked `default`
+    //~| NOTE `fly` in the parent `impl` must be marked `default`
 }
 
 fn main() {