diff --git a/tutorials/700_tutorial_perturbation_with_Sinkhorn.ipynb b/tutorials/700_tutorial_perturbation_with_Sinkhorn.ipynb
index 01571b8..5da9f3c 100644
--- a/tutorials/700_tutorial_perturbation_with_Sinkhorn.ipynb
+++ b/tutorials/700_tutorial_perturbation_with_Sinkhorn.ipynb
@@ -54,7 +54,7 @@
    "source": [
     "The {func}`~moscot.datasets.sciplex` dataset is a perturbation dataset published in {cite}`srivatsan:20`.\n",
     "It contains transcriptomes of A549, K562, and mCF7 cells exposed to 188 compounds.\n",
-    "Data obtained from [scPerturb](http://projects.sanderlab.org/scperturb/)."
+    "Data obtained from {cite}`scperturb:24`."
    ]
   },
   {