diff --git a/sources/01b-visualization.ipynb b/sources/01b-visualization.ipynb
index b141c31..c8c44b8 100644
--- a/sources/01b-visualization.ipynb
+++ b/sources/01b-visualization.ipynb
@@ -6,7 +6,7 @@
    "source": [
     "# Visualization\n",
     "\n",
-    "This notebook show how to access the content of the products downloaded in [](01a-download-from-scihub.iypnb) and plot a true-color rendering. \n",
+    "This notebook show how to access the content of the products downloaded in [](01a-download-process.ipynb) and plot a true-color rendering. \n",
     "While the products already contain a True-Color Image (TCI), this approach is useful for two reasons:\n",
     "\n",
     "1. It allows comparing the readings with a rendering provided by official sources, thereby allowing us to find errors\n",
diff --git a/sources/02e-spectral-indices.ipynb b/sources/02e-spectral-indices.ipynb
index 456eb38..6401742 100644
--- a/sources/02e-spectral-indices.ipynb
+++ b/sources/02e-spectral-indices.ipynb
@@ -24,7 +24,7 @@
     "When running this notebook interactively, _Kernel → Restart and Run All Cells_ can be used to re-evaluate all cells in this notebook after configuring the pipeline.\n",
     "The path of the output file containing the processed values will be printed below the last cell.\n",
     "\n",
-    "[^download_process]: See [](01-download-process.ipynb) for details"
+    "[^download_process]: See [](01a-download-process.ipynb) for details"
    ]
   },
   {