diff --git a/src/test/ui/privacy/restricted/relative-2018.stderr b/src/test/ui/privacy/restricted/relative-2018.stderr
index 61effc463e98f..2205d6e518cf3 100644
--- a/src/test/ui/privacy/restricted/relative-2018.stderr
+++ b/src/test/ui/privacy/restricted/relative-2018.stderr
@@ -1,4 +1,4 @@
-error: visibilities can only be restricted to ancestor modules
+error[E0741]: visibilities can only be restricted to ancestor modules
   --> $DIR/relative-2018.rs:7:12
    |
 LL |     pub(in ::core) struct S4;
@@ -14,3 +14,4 @@ LL |     pub(in a::b) struct S5;
 
 error: aborting due to 2 previous errors
 
+For more information about this error, try `rustc --explain E0741`.
diff --git a/src/test/ui/privacy/restricted/test.stderr b/src/test/ui/privacy/restricted/test.stderr
index a23973d0853f1..b39a42ef3ce3b 100644
--- a/src/test/ui/privacy/restricted/test.stderr
+++ b/src/test/ui/privacy/restricted/test.stderr
@@ -4,7 +4,7 @@ error[E0433]: failed to resolve: maybe a missing crate `bad`?
 LL |     pub(in bad::path) mod m1 {}
    |            ^^^ maybe a missing crate `bad`?
 
-error: visibilities can only be restricted to ancestor modules
+error[E0741]: visibilities can only be restricted to ancestor modules
   --> $DIR/test.rs:51:12
    |
 LL |     pub(in foo) mod m2 {}
@@ -78,5 +78,5 @@ LL |     u.h();
 
 error: aborting due to 12 previous errors
 
-Some errors have detailed explanations: E0364, E0433, E0603, E0616, E0624.
+Some errors have detailed explanations: E0364, E0433, E0603, E0616, E0624, E0741.
 For more information about an error, try `rustc --explain E0364`.
diff --git a/src/test/ui/proc-macro/issue-50493.stderr b/src/test/ui/proc-macro/issue-50493.stderr
index 28c61a2f52fed..25035106f25c9 100644
--- a/src/test/ui/proc-macro/issue-50493.stderr
+++ b/src/test/ui/proc-macro/issue-50493.stderr
@@ -1,4 +1,4 @@
-error: visibilities can only be restricted to ancestor modules
+error[E0741]: visibilities can only be restricted to ancestor modules
   --> $DIR/issue-50493.rs:8:12
    |
 LL |     pub(in restricted) field: usize,
@@ -12,4 +12,5 @@ LL | #[derive(Derive)]
 
 error: aborting due to 2 previous errors
 
-For more information about this error, try `rustc --explain E0616`.
+Some errors have detailed explanations: E0616, E0741.
+For more information about an error, try `rustc --explain E0616`.
diff --git a/src/test/ui/pub/pub-restricted.stderr b/src/test/ui/pub/pub-restricted.stderr
index 596264ba16b42..3ec4e1143feba 100644
--- a/src/test/ui/pub/pub-restricted.stderr
+++ b/src/test/ui/pub/pub-restricted.stderr
@@ -53,7 +53,7 @@ LL | pub (xyz) fn xyz() {}
            `pub(super)`: visible only in the current module's parent
            `pub(in path::to::module)`: visible only on the specified path
 
-error: visibilities can only be restricted to ancestor modules
+error[E0741]: visibilities can only be restricted to ancestor modules
   --> $DIR/pub-restricted.rs:25:17
    |
 LL |         pub (in x) non_parent_invalid: usize,
@@ -61,4 +61,5 @@ LL |         pub (in x) non_parent_invalid: usize,
 
 error: aborting due to 6 previous errors
 
-For more information about this error, try `rustc --explain E0704`.
+Some errors have detailed explanations: E0704, E0741.
+For more information about an error, try `rustc --explain E0704`.
diff --git a/src/test/ui/resolve/resolve-bad-visibility.stderr b/src/test/ui/resolve/resolve-bad-visibility.stderr
index d2fb7c7a9e69d..b077bb81872a8 100644
--- a/src/test/ui/resolve/resolve-bad-visibility.stderr
+++ b/src/test/ui/resolve/resolve-bad-visibility.stderr
@@ -10,7 +10,7 @@ error[E0577]: expected module, found trait `Tr`
 LL | pub(in Tr) struct Z;
    |        ^^ not a module
 
-error: visibilities can only be restricted to ancestor modules
+error[E0741]: visibilities can only be restricted to ancestor modules
   --> $DIR/resolve-bad-visibility.rs:6:8
    |
 LL | pub(in std::vec) struct F;
@@ -30,4 +30,5 @@ LL | pub(in too_soon) struct H;
 
 error: aborting due to 5 previous errors
 
-For more information about this error, try `rustc --explain E0433`.
+Some errors have detailed explanations: E0433, E0741.
+For more information about an error, try `rustc --explain E0433`.