diff --git a/docs/en/docs/tutorial/request-files.md b/docs/en/docs/tutorial/request-files.md
index 3bdf8d002..1619d6d2a 100644
--- a/docs/en/docs/tutorial/request-files.md
+++ b/docs/en/docs/tutorial/request-files.md
@@ -39,7 +39,7 @@ If you declare the type of your *path operation function* parameter as `bytes`,
 
 Have in mind that this means that the whole contents will be stored in memory. This will work well for small files.
 
-But there are several cases in where you might benefit from using `UploadFile`.
+But there are several cases in which you might benefit from using `UploadFile`.
 
 ## `File` parameters with `UploadFile`