small_fix: lumen-route-docblock

src/Matching/LumenRouteAdapter.php

@@ -7,7 +7,7 @@ use Illuminate\Routing\Route;
 /**
  * Class LumenRouteAdapter.
  * Lumen routes don't extend from Laravel routes,
- * so we need this class to convert a Lmen route to a Laravel one.
+ * so we need this class to convert a Lumen route to a Laravel one.
  */
 class LumenRouteAdapter extends Route
 {