diff --git a/src/test/ui/index-help.stderr b/src/test/ui/index-help.stderr
index f4dde95b1046..1b5d28d5bb1b 100644
--- a/src/test/ui/index-help.stderr
+++ b/src/test/ui/index-help.stderr
@@ -1,10 +1,11 @@
-error[E0277]: the trait bound `std::vec::Vec<{integer}>: std::ops::Index<i32>` is not satisfied
+error[E0277]: the trait bound `i32: std::slice::SliceIndex<[{integer}]>` is not satisfied
   --> $DIR/index-help.rs:13:5
    |
 LL |     x[0i32]; //~ ERROR E0277
-   |     ^^^^^^^ vector indices are of type `usize` or ranges of `usize`
+   |     ^^^^^^^ slice indices are of type `usize` or ranges of `usize`
    |
-   = help: the trait `std::ops::Index<i32>` is not implemented for `std::vec::Vec<{integer}>`
+   = help: the trait `std::slice::SliceIndex<[{integer}]>` is not implemented for `i32`
+   = note: required because of the requirements on the impl of `std::ops::Index<i32>` for `[{integer}]`
 
 error: aborting due to previous error