diff --git a/scripts/scil_freewater_maps.py b/scripts/scil_freewater_maps.py
index f24c3a94f..854eb30ab 100755
--- a/scripts/scil_freewater_maps.py
+++ b/scripts/scil_freewater_maps.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 """
-Compute Free Water maps [1] using AMICO.
+Compute Free Water maps [1] using the AMICO framework [2].
 This script supports both single and multi-shell data.
 
 Formerly: scil_compute_freewater.py
@@ -35,6 +35,9 @@
     [1] Pasternak 0, Sochen N, Gur Y, Intrator N, Assaf Y.
         Free water elimination and mapping from diffusion mri.
         Magn Reson Med. 62 (3) (2009) 717-730.
+    [2] Daducci A, et al. Accelerated microstructure imaging
+        via convex optimization (AMICO) from diffusion MRI data.
+        Neuroimage 105 (2015) 32-44.
 """