diff --git a/README.md b/README.md
index 3a50b96..3dbbb21 100644
--- a/README.md
+++ b/README.md
@@ -1742,6 +1742,7 @@ SimpleRouter::setCustomClassLoader(new MyCustomClassLoader());
 php-di support was discontinued by version 4.3, however you can easily add it again by creating your own class-loader like the example below:
 
 ```php
+use Pecee\SimpleRouter\ClassLoader\IClassLoader;
 use Pecee\SimpleRouter\Exceptions\ClassNotFoundHttpException;
 
 class MyCustomClassLoader implements IClassLoader
@@ -1762,19 +1763,14 @@ class MyCustomClassLoader implements IClassLoader
      *
      * @param string $class
      * @return object
-     * @throws NotFoundHttpException
+     * @throws ClassNotFoundHttpException
      */
     public function loadClass(string $class)
     {
-        if (class_exists($class) === false) {
-            throw new NotFoundHttpException(sprintf('Class "%s" does not exist', $class), 404);
+        if ($this->container->has($class) === false) {
+            throw new ClassNotFoundHttpException($class, null, sprintf('Class "%s" does not exist', $class), 404, null);
         }
-
-		try {
-			return $this->container->get($class);
-		} catch (\Exception $e) {
-			throw new NotFoundHttpException($e->getMessage(), (int)$e->getCode(), $e->getPrevious());
-		}
+        return $this->container->get($class);
     }
     
     /**
@@ -1782,15 +1778,11 @@ class MyCustomClassLoader implements IClassLoader
      * @param object $class
      * @param string $method
      * @param array $parameters
-     * @return object
+     * @return string
      */
     public function loadClassMethod($class, string $method, array $parameters)
     {
-		try {
-			return $this->container->call([$class, $method], $parameters);
-		} catch (\Exception $e) {
-			throw new NotFoundHttpException($e->getMessage(), (int)$e->getCode(), $e->getPrevious());
-		}
+        return (string)$this->container->call([$class, $method], $parameters);
     }
 
     /**
@@ -1798,15 +1790,11 @@ class MyCustomClassLoader implements IClassLoader
      *
      * @param Callable $closure
      * @param array $parameters
-     * @return mixed
+     * @return string
      */
     public function loadClosure(callable $closure, array $parameters)
     {
-		try {
-			return $this->container->call($closure, $parameters);
-		} catch (\Exception $e) {
-			throw new NotFoundHttpException($e->getMessage(), (int)$e->getCode(), $e->getPrevious());
-		}
+        return (string)$this->container->call($closure, $parameters);
     }
 }
 ```