diff --git a/src/Manuscript_figures.ipynb b/src/Manuscript_figures.ipynb
index b3bbca3..96042d6 100644
--- a/src/Manuscript_figures.ipynb
+++ b/src/Manuscript_figures.ipynb
@@ -51,8 +51,8 @@
     "# Psi values\n",
     "Psi_values_ips = 'Psi_ips_path'   \n",
     "Psi_values_endo =  'Psi_endo_path' \n",
-    "single_cell_Psi_ips = 'single_cell_Psi_ips_path'                \n",
-    "single_cell_Psi_endo = 'single_cell_Psi_endo_path'              \n",
+    "single_cell_Psi_ips = 'single_cell_Psi_ips_path'       #re-formated (cancatenated) version of Psi_values_ips     \n",
+    "single_cell_Psi_endo = 'single_cell_Psi_endo_path'      #re-formated (cancatenated) version of Psi_values_endo     \n",
     "\n",
     "\n",
     "#categories of exons\n",