docs(ai): Small fixes

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

Author: marcelklehr

admin_manual/ai/overview.rst

@@ -348,7 +348,7 @@ Backend apps
 ~~~~~~~~~~~~
 
 * `OpenAI and LocalAI integration (via OpenAI API) <https://apps.nextcloud.com/apps/integration_openai>`_ >= v5.0.0 - Integrates with the OpenAI API to provide AI functionality from OpenAI servers (Customer support available upon request; see :ref:`AI as a Service<ai-ai_as_a_service>`)
-* :ref:`Local OCR: PaddleOCR (ExApp) <<ai-app-ocr_paddle>` - (Customer support available upon request)
+* :ref:`Local OCR: PaddleOCR (ExApp) <ai-app-ocr_paddle>` - (Customer support available upon request)
 
 Windmill workflows
 ^^^^^^^^^^^^^^^^^^