diff --git a/src/composer.ts b/src/composer.ts
index 5f71ab72f..18adbc313 100644
--- a/src/composer.ts
+++ b/src/composer.ts
@@ -216,7 +216,7 @@ export interface Composer<
   ): void
   mergeLocaleMessage(
     locale: Locale,
-    uessage: LocaleMessageDictionary<Message>
+    message: LocaleMessageDictionary<Message>
   ): void
   getDateTimeFormat(locale: Locale): DateTimeFormat
   setDateTimeFormat(locale: Locale, format: DateTimeFormat): void