Update README.md

Author: CKGrafico

README.md

@@ -151,7 +151,8 @@ This plugin provides some custom webpack hooks (all are sync):
 ```
     new ForkTsCheckerWebpackPlugin({
       tslint: true,
-      vue: true
+      vue: true,
+      wildcard: '~' // Optional
     })
 ```
 
@@ -211,7 +212,7 @@ import Hello from '@/components/hello.vue'
 ```
 
 6. The commonly used `@` path wildcard will work if you set up a `baseUrl` and `paths` (in `compilerOptions`) to include `@/*`. If you don't set this, then 
-the fallback for the `@` wildcard will be `[tsconfig directory]/src` (we hope to make this more flexible on future releases):  
+the fallback to options.wildcard and if this not exist the fallback will be `[tsconfig directory]/src` (we hope to make this more flexible on future releases):  
 ```
 // tsconfig.json
 {