diff --git a/types/index.d.ts b/types/index.d.ts
index f1e74ffa39..e4423dbbbd 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -3081,7 +3081,7 @@ export declare namespace Knex {
 
   interface Migration {
     up: (knex: Knex) => PromiseLike<any>;
-    down?: (kenx: Knex) => PromiseLike<any>;
+    down?: (knex: Knex) => PromiseLike<any>;
   }
 
   interface MigrationSource<TMigrationSpec> {