diff --git a/typings.d.ts b/typings.d.ts
index 33b4bbb..f99733a 100644
--- a/typings.d.ts
+++ b/typings.d.ts
@@ -1,7 +1,8 @@
 import { Settings as NodemonOptions } from 'nodemon';
 
 // We prioritise supporting CommonJS than ES6 syntax here.
-// Typescript users will have to add `esModuleInterop` in `compilerOptions`.
+// Typescript users will have to add `esModuleInterop` in `compilerOptions`
+// or set `"allowSyntheticDefaultImports": true`.
 // https://www.typescriptlang.org/docs/handbook/modules.html#export--and-import--require
 export = NodemonPlugin;
 
@@ -10,5 +11,5 @@ declare class NodemonPlugin {
 
   // yields error TS2321: Excessive stack depth comparing types 'NodemonPlugin' and '((this: Compiler, compiler: Compiler) => void) | WebpackPluginInstance'.
   //apply(compiler: webpack.Compiler): void;
-  apply(compiler): void;
+  apply(compiler: any): void;
 }