Fixed typo in Error string (#4539).

Author: ricmoo

src.ts/utils/errors.ts

@@ -736,7 +736,7 @@ export function assertArgumentCount(count: number, expectedCount: number, messag
         expectedCount: expectedCount
     });
 
-    assert(count <= expectedCount, "too many arguemnts" + message, "UNEXPECTED_ARGUMENT", {
+    assert(count <= expectedCount, "too many arguments" + message, "UNEXPECTED_ARGUMENT", {
         count: count,
         expectedCount: expectedCount
     });