diff --git a/compiler/rustc_error_codes/src/error_codes/E0785.md b/compiler/rustc_error_codes/src/error_codes/E0785.md
index b8a03cd109d8..373320539ef6 100644
--- a/compiler/rustc_error_codes/src/error_codes/E0785.md
+++ b/compiler/rustc_error_codes/src/error_codes/E0785.md
@@ -26,5 +26,5 @@ trait PrincipalTrait {}
 
 auto trait AutoTrait {}
 
-impl dyn (PrincipalTrait + AutoTrait + Send) {}
+impl dyn PrincipalTrait + AutoTrait + Send {}
 ```