diff --git a/xai-for-transformer/1-Tutorial_Build_Transformer_Model.ipynb b/xai-for-transformer/1-Tutorial_Build_Transformer_Model.ipynb
index 74c5b82..9a46ffc 100644
--- a/xai-for-transformer/1-Tutorial_Build_Transformer_Model.ipynb
+++ b/xai-for-transformer/1-Tutorial_Build_Transformer_Model.ipynb
@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![logo]https://github.com/HelmholtzAI-Consultants-Munich/XAI-Tutorials/blob/main/docs/source/_figures/Helmholtz-AI.png?raw=true)"
+    "![logo](https://github.com/HelmholtzAI-Consultants-Munich/XAI-Tutorials/blob/main/docs/source/_figures/Helmholtz-AI.png?raw=true)"
    ]
   },
   {