diff --git a/src/test/ui/resolve/resolve-bad-visibility.stderr b/src/test/ui/resolve/resolve-bad-visibility.stderr
index 43af38cf491..197ecf0cb00 100644
--- a/src/test/ui/resolve/resolve-bad-visibility.stderr
+++ b/src/test/ui/resolve/resolve-bad-visibility.stderr
@@ -30,5 +30,5 @@ LL | pub(in too_soon) struct H;
 
 error: aborting due to 5 previous errors
 
-Some errors have detailed explanations: E0433, E0742.
+Some errors have detailed explanations: E0433, E0577, E0742.
 For more information about an error, try `rustc --explain E0433`.
diff --git a/src/test/ui/span/visibility-ty-params.stderr b/src/test/ui/span/visibility-ty-params.stderr
index c2f0711b0c8..d3fa1d7732e 100644
--- a/src/test/ui/span/visibility-ty-params.stderr
+++ b/src/test/ui/span/visibility-ty-params.stderr
@@ -18,3 +18,4 @@ LL |     m!{ m<> }
 
 error: aborting due to 3 previous errors
 
+For more information about this error, try `rustc --explain E0577`.