diff --git a/l18n b/l18n
index 73dc73e..4d9221e 160000
--- a/l18n
+++ b/l18n
@@ -1 +1 @@
-Subproject commit 73dc73e9dd631aefba5d519ba9218fdeba5d7db1
+Subproject commit 4d9221ef5ca371110a7ff0ecd642c972f1d9ac79
diff --git a/src/MDTitleTypesSet.php b/src/MDTitleTypesSet.php
index c23378c..45d90ee 100644
--- a/src/MDTitleTypesSet.php
+++ b/src/MDTitleTypesSet.php
@@ -19,6 +19,7 @@ final class MDTitleTypesSet extends MDValueSet {
         "Dialect",
         "Professional jargon",
         "Sociolect",
+        "Historical",
     ];
 
     /**