diff --git a/build/docs/content/07-office.md b/build/docs/content/07-office.md
index 74745587..5cded130 100644
--- a/build/docs/content/07-office.md
+++ b/build/docs/content/07-office.md
@@ -123,7 +123,7 @@ You may specify the page ranges to convert.
 The format is the same as the one from the print options
 of LibreOffice, e.g. `1-1` or `1-4`.
 
-> This feature does not work in there is more
+> **Attention:** this feature does not work in there is more
 > than one document to convert.
 
 ### cURL
diff --git a/docs/index.html b/docs/index.html
index cbf92684..fbc2a471 100755
--- a/docs/index.html
+++ b/docs/index.html
@@ -1066,7 +1066,7 @@ $client->store($request, $dest);
 of LibreOffice, e.g. <code>1-1</code> or <code>1-4</code>.</p>
 
 <blockquote>
-<p>This feature does not work in there is more
+<p><strong>Attention:</strong> this feature does not work in there is more
 than one document to convert.</p>
 </blockquote>