diff --git a/build/docs/content/06-merge.md b/build/docs/content/06-merge.md
index dd406b55..1e757bca 100644
--- a/build/docs/content/06-merge.md
+++ b/build/docs/content/06-merge.md
@@ -8,9 +8,11 @@ It accepts `POST` requests with a `multipart/form-data` Content-Type.
## Basic
-Nothing special here: you may send one or more PDF files and the API
+Nothing fancy here: you may send one or more PDF files and the API
will merge them and return the resulting PDF file.
+> **Attention:** Gotenberg merges the PDF files alphabetically.
+
### cURL
```bash
diff --git a/docs/index.html b/docs/index.html
index a007cbd7..b563ab99 100755
--- a/docs/index.html
+++ b/docs/index.html
@@ -787,9 +787,13 @@ $client->store($request, $dest);
Basic
-
Nothing special here: you may send one or more PDF files and the API
+
Nothing fancy here: you may send one or more PDF files and the API
will merge them and return the resulting PDF file.
+
+
Attention: Gotenberg merges the PDF files alphabetically.