diff --git a/developer_manual/digging_deeper/speech-to-text.rst b/developer_manual/digging_deeper/speech-to-text.rst
index f31afdf04..b9162e74f 100644
--- a/developer_manual/digging_deeper/speech-to-text.rst
+++ b/developer_manual/digging_deeper/speech-to-text.rst
@@ -1,8 +1,8 @@
 .. _speech-to-text:
 
-======
+==============
 Speech-To-Text
-======
+==============
 
 Nextcloud 27 offers a new **Speech-To-Text** API. The overall idea is that there is a central OCP API that apps can use to request transcriptions of audio or video files. To be technology agnostic any app can provide this Speech-To-Text functionality by registering a Speech-To-Text provider.