Updated example code

README.md

@@ -31,6 +31,10 @@ async () => {
     // Verifing token
     const isValid = await jwt.verify(token, 'secret')
 
+    // Check for validity
+    if (!isValid)
+        return
+
     // Decoding token
     const payload = jwt.decode(token)
 }
@@ -53,6 +57,10 @@ async () => {
     // Verifing token
     const isValid = await jwt.verify(token, 'secret') // false
 
+    // Check for validity
+    if (!isValid)
+        return
+
     // Decoding token
     const payload = jwt.decode(token) // { name: 'John Doe', email: 'john.doe@gmail.com', ... }
 }
@@ -103,4 +111,4 @@ Argument    | Type     | Satus    | Default | Description
 `token`     | `string` | required | -       | The token string generated by `jwt.sign()`.
 
 #### `return`
-Returns payload `object`.
+Returns payload `object`.