diff --git a/fastapi/applications.py b/fastapi/applications.py
index 8e30cad22..fd2856321 100644
--- a/fastapi/applications.py
+++ b/fastapi/applications.py
@@ -838,7 +838,7 @@ class FastAPI(Starlette):
                 }
 
                 app = FastAPI(externalDocs=external_docs)
-                
+
                 ```
 
                 ### Explanation: