diff --git a/src/test/ui/enums-pats-not-idents.stderr b/src/test/ui/enums-pats-not-idents.stderr
index 3891d1eac48..6b1e6046260 100644
--- a/src/test/ui/enums-pats-not-idents.stderr
+++ b/src/test/ui/enums-pats-not-idents.stderr
@@ -6,3 +6,4 @@ LL |     let a(1) = 13;
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0531`.
diff --git a/src/test/ui/issues/issue-5927.stderr b/src/test/ui/issues/issue-5927.stderr
index 89f5e399ae6..3d4550ec8b2 100644
--- a/src/test/ui/issues/issue-5927.stderr
+++ b/src/test/ui/issues/issue-5927.stderr
@@ -12,4 +12,5 @@ LL |         x(1) => x(1)
 
 error: aborting due to 2 previous errors
 
-For more information about this error, try `rustc --explain E0425`.
+Some errors have detailed explanations: E0425, E0531.
+For more information about an error, try `rustc --explain E0425`.
diff --git a/src/test/ui/keyword/keyword-self-as-identifier.stderr b/src/test/ui/keyword/keyword-self-as-identifier.stderr
index 5f567910ed8..be57c6ad26f 100644
--- a/src/test/ui/keyword/keyword-self-as-identifier.stderr
+++ b/src/test/ui/keyword/keyword-self-as-identifier.stderr
@@ -6,3 +6,4 @@ LL |     let Self = 22;
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0531`.
diff --git a/src/test/ui/resolve/resolve-assoc-suggestions.stderr b/src/test/ui/resolve/resolve-assoc-suggestions.stderr
index 87040015b8d..f3b8909ab22 100644
--- a/src/test/ui/resolve/resolve-assoc-suggestions.stderr
+++ b/src/test/ui/resolve/resolve-assoc-suggestions.stderr
@@ -54,5 +54,5 @@ LL |         method;
 
 error: aborting due to 9 previous errors
 
-Some errors have detailed explanations: E0412, E0425.
+Some errors have detailed explanations: E0412, E0425, E0531.
 For more information about an error, try `rustc --explain E0412`.
diff --git a/src/test/ui/self/self_type_keyword-2.stderr b/src/test/ui/self/self_type_keyword-2.stderr
index 359410bc1cd..560c6d2199c 100644
--- a/src/test/ui/self/self_type_keyword-2.stderr
+++ b/src/test/ui/self/self_type_keyword-2.stderr
@@ -24,4 +24,5 @@ LL |         Foo { x: Self } => (),
 
 error: aborting due to 4 previous errors
 
-For more information about this error, try `rustc --explain E0432`.
+Some errors have detailed explanations: E0432, E0531.
+For more information about an error, try `rustc --explain E0432`.
diff --git a/src/test/ui/self/self_type_keyword.stderr b/src/test/ui/self/self_type_keyword.stderr
index bb631194bf3..431056e45f5 100644
--- a/src/test/ui/self/self_type_keyword.stderr
+++ b/src/test/ui/self/self_type_keyword.stderr
@@ -80,4 +80,5 @@ LL | struct Bar<'Self>;
 
 error: aborting due to 12 previous errors
 
-For more information about this error, try `rustc --explain E0392`.
+Some errors have detailed explanations: E0392, E0531.
+For more information about an error, try `rustc --explain E0392`.