diff --git a/src/test/ui/conflicting-repr-hints.stderr b/src/test/ui/conflicting-repr-hints.stderr
index 832f5c3ac2bb..414c15f93bc1 100644
--- a/src/test/ui/conflicting-repr-hints.stderr
+++ b/src/test/ui/conflicting-repr-hints.stderr
@@ -66,4 +66,5 @@ LL | | }
 
 error: aborting due to 8 previous errors
 
-For more information about this error, try `rustc --explain E0566`.
+Some errors have detailed explanations: E0566, E0587.
+For more information about an error, try `rustc --explain E0566`.