diff --git a/src/libsyntax/parse/lexer/mod.rs b/src/libsyntax/parse/lexer/mod.rs
index fb46f7a08b9..ecb34e43c59 100644
--- a/src/libsyntax/parse/lexer/mod.rs
+++ b/src/libsyntax/parse/lexer/mod.rs
@@ -971,7 +971,7 @@ impl<'a> StringReader<'a> {
                                     } else {
                                         err.span_help(
                                             span,
-                                            "format of unicode escape sequences is `\\u{…}`",
+                                            "format of unicode escape sequences is `\\u{...}`",
                                         );
                                     }
                                     err.emit();
diff --git a/src/test/ui/parser/issue-23620-invalid-escapes.stderr b/src/test/ui/parser/issue-23620-invalid-escapes.stderr
index 025b392627d..f6e476ab0cd 100644
--- a/src/test/ui/parser/issue-23620-invalid-escapes.stderr
+++ b/src/test/ui/parser/issue-23620-invalid-escapes.stderr
@@ -16,7 +16,7 @@ error: incorrect unicode escape sequence
 LL |     let _ = b'/u';
    |               ^^
    |
-help: format of unicode escape sequences is `/u{…}`
+help: format of unicode escape sequences is `/u{...}`
   --> $DIR/issue-23620-invalid-escapes.rs:10:15
    |
 LL |     let _ = b'/u';
@@ -82,7 +82,7 @@ error: incorrect unicode escape sequence
 LL |     let _ = b"/u{a4a4} /xf /u";
    |                            ^^
    |
-help: format of unicode escape sequences is `/u{…}`
+help: format of unicode escape sequences is `/u{...}`
   --> $DIR/issue-23620-invalid-escapes.rs:28:28
    |
 LL |     let _ = b"/u{a4a4} /xf /u";
@@ -112,7 +112,7 @@ error: incorrect unicode escape sequence
 LL |     let _ = "/xf /u";
    |                  ^^
    |
-help: format of unicode escape sequences is `/u{…}`
+help: format of unicode escape sequences is `/u{...}`
   --> $DIR/issue-23620-invalid-escapes.rs:34:18
    |
 LL |     let _ = "/xf /u";