diff --git a/exploratory_analysis.ipynb b/exploratory_analysis.ipynb
index d521db6cfcfd0a8473239132f699a6b37818b89d..763f039add959f741a23a747f3d37054e83f8768 100644
--- a/exploratory_analysis.ipynb
+++ b/exploratory_analysis.ipynb
@@ -900,7 +900,7 @@
    "source": [
     "The fast search and find of density peaks algorithm is introduced in:\n",
     "\n",
-    "R.J.G.B. Campello, D. Moulavi, J. Sander: <span style=\"font-style: italic;\">Density-Based Clustering Based on Hierarchical Density Estimates</span>,  Springer Berlin Heidelberg, (2013).\n",
+    "A. Rodriguez, A. Laio: <span style=\"font-style: italic;\">Clustering by fast search and find of density peaks</span>,  Science, (2014).\n",
     "\n",
     "The implementation of the algorithm that we use is taken from https://pypi.org/project/pydpc/."
    ]