Use American English spelling throughout

web/src/lib/adminDirectory.ts

@@ -244,7 +244,7 @@ export type DirectoryObject = "account" | "domain" | "group" | "list" | "role" |
  * Stalwart explains a refusal in English, and its words are never shown as
  * they are: an interface in German that answers in English reads as broken
  * even when the English is exact. Every type the registry returns has its
- * own message, and a value a validator refused is recognised by the
+ * own message, and a value a validator refused is recognized by the
  * validator's wording and said again here.
  *
  * One exception, on purpose. A password policy is the server's to set -- a
@@ -282,16 +282,16 @@ export function describeDirectoryError(err: unknown, object: DirectoryObject = "
       return t("One of the chosen domain, role or group can't be used for this account.");
     case "overQuota":
       return object === "domain"
-        ? t("Your organisation has reached the number of domains it is allowed.")
+        ? t("Your organization has reached the number of domains it is allowed.")
         : object === "group"
-          ? t("Your organisation has reached the number of groups it is allowed.")
+          ? t("Your organization has reached the number of groups it is allowed.")
           : object === "list"
-            ? t("Your organisation has reached the number of mailing lists it is allowed.")
+            ? t("Your organization has reached the number of mailing lists it is allowed.")
             : object === "role"
-              ? t("Your organisation has reached the number of roles it is allowed.")
+              ? t("Your organization has reached the number of roles it is allowed.")
               : object === "tenant"
                 ? t("The server allows no more tenants.")
-                : t("Your organisation has reached the number of accounts it is allowed.");
+                : t("Your organization has reached the number of accounts it is allowed.");
     case "objectIsLinked":
       return t("Something still depends on this, so the server kept it.");
     case "notFound":