diff --git a/vignettes/apply_cellphenoX_inflamed_uc_fibroblast.ipynb b/vignettes/apply_cellphenoX_inflamed_uc_fibroblast.ipynb
index 706b64b..24bc8ed 100644
--- a/vignettes/apply_cellphenoX_inflamed_uc_fibroblast.ipynb
+++ b/vignettes/apply_cellphenoX_inflamed_uc_fibroblast.ipynb
@@ -1219,7 +1219,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    ![Description](https://github.com/fanzhanglab/pyCellPhenoX/blob/main/media/uc_CellPhenoXScore_UMAP.png?raw=true)
+    "![Description](https://github.com/fanzhanglab/pyCellPhenoX/blob/main/media/uc_CellPhenoXScore_UMAP.png?raw=true)"
    ]
   },
   {