Reword incorrect self token suggestion

Author: estebank

src/librustc_resolve/late/diagnostics.rs

@@ -168,9 +168,9 @@ impl<'a> LateResolutionVisitor<'a, '_, '_> {
         if ["this", "my"].contains(&&*item_str.as_str())
             && self.self_value_is_available(path[0].ident.span, span)
         {
-            err.span_suggestion(
+            err.span_suggestion_short(
                 span,
-                "did you mean",
+                "you might have meant to use `self` here instead",
                 "self".to_string(),
                 Applicability::MaybeIncorrect,
             );

src/test/ui/self/suggest-self.stderr

@@ -5,7 +5,7 @@ LL |         this.x
    |         ^^^^
    |         |
    |         not found in this scope
-   |         help: did you mean: `self`
+   |         help: you might have meant to use `self` here instead
 
 error[E0425]: cannot find value `this` in this scope
   --> $DIR/suggest-self.rs:26:9
@@ -14,7 +14,7 @@ LL |         this.foo()
    |         ^^^^
    |         |
    |         not found in this scope
-   |         help: did you mean: `self`
+   |         help: you might have meant to use `self` here instead
 
 error[E0425]: cannot find value `my` in this scope
   --> $DIR/suggest-self.rs:31:9
@@ -23,7 +23,7 @@ LL |         my.bar()
    |         ^^
    |         |
    |         not found in this scope
-   |         help: did you mean: `self`
+   |         help: you might have meant to use `self` here instead
 
 error: aborting due to 3 previous errors