review comments: change wording and visual output

src/test/ui/in-band-lifetimes/mismatched_trait_impl-2.stderr

@@ -11,7 +11,7 @@ LL |     fn deref(&self) -> &Self::Target;
    |
    = note: expected `fn(&Struct) -> &(dyn Trait + 'static)`
               found `fn(&Struct) -> &dyn Trait`
-   = note: the lifetime requirements from the `trait` could not be satisfied by the `impl`
+   = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
    = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output
 
 error: aborting due to previous error

src/test/ui/in-band-lifetimes/mismatched_trait_impl.nll.stderr

@@ -9,7 +9,7 @@ LL |     fn foo(&self, x: &u32, y: &'a u32) -> &'a u32 {
    |
    = note: expected `fn(&i32, &'a u32, &u32) -> &'a u32`
               found `fn(&i32, &u32, &u32) -> &u32`
-   = note: the lifetime requirements from the `trait` could not be satisfied by the `impl`
+   = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
    = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output
 
 error: aborting due to previous error

src/test/ui/in-band-lifetimes/mismatched_trait_impl.stderr

@@ -9,7 +9,7 @@ LL |     fn foo(&self, x: &u32, y: &'a u32) -> &'a u32 {
    |
    = note: expected `fn(&i32, &'a u32, &u32) -> &'a u32`
               found `fn(&i32, &u32, &u32) -> &u32`
-   = note: the lifetime requirements from the `trait` could not be satisfied by the `impl`
+   = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
    = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output
 
 error[E0623]: lifetime mismatch

src/test/ui/lifetimes/lifetime-mismatch-between-trait-and-impl.stderr

@@ -9,7 +9,7 @@ LL |     fn foo<'a>(x: &'a i32, y: &'a i32) -> &'a i32 {
    |
    = note: expected `fn(&i32, &'a i32) -> &'a i32`
               found `fn(&i32, &i32) -> &i32`
-   = note: the lifetime requirements from the `trait` could not be satisfied by the `impl`
+   = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
    = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output
 
 error: aborting due to previous error

src/test/ui/traits/trait-param-without-lifetime-constraint.stderr

@@ -1,21 +1,19 @@
 error: `impl` item signature doesn't match `trait` item signature
   --> $DIR/trait-param-without-lifetime-constraint.rs:14:5
    |
-LL | pub trait HaveRelationship<To> {
-   |                            -- this type parameter might not have a lifetime compatible with the `impl`
 LL |     fn get_relation(&self) -> To;
-   |     -----------------------------
-   |     |                         |
-   |     |                         you might want to borrow this type parameter in the trait to make it match the `impl`
-   |     expected `fn(&Article) -> &ProofReader`
+   |     ----------------------------- expected `fn(&Article) -> &ProofReader`
 ...
 LL |     fn get_relation(&self) -> &ProofReader {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(&Article) -> &ProofReader`
    |
    = note: expected `fn(&Article) -> &ProofReader`
               found `fn(&Article) -> &ProofReader`
-   = note: the lifetime requirements from the `trait` could not be satisfied by the `impl`
-   = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output
+help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
+  --> $DIR/trait-param-without-lifetime-constraint.rs:10:31
+   |
+LL |     fn get_relation(&self) -> To;
+   |                               ^^ consider borrowing this type parameter in the trait
 
 error: aborting due to previous error