diff --git a/README.md b/README.md
index f96380631ebec0ff9df6e2135b3257822bdeb57c..fe725fa31b6b667952c879fbe2d8622876ce4873 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,8 @@ The code builds on top of several external software. Namely:
 	+ AGN_lightcurve_simulations: INAF-OAC, Petrecca, Paolillo+, in prep.
 	+ GrowBHs: University of Southampton: Roberts, Shankar+ in prep.
 
-For retrieving the extenal
+For retrieving the extenal libraries in preparation, please contact
+akke.viitanen@inaf.it.
 
 # Running the code