diff --git a/pyext/src/gaussians2ellipsoids.py b/pyext/src/gaussians2ellipsoids.py
index c4788618dfa63f872588d45b23ade0b22bcde886..7684113b07eb8b92a3eb12ced7b75930e4d35030 100755
--- a/pyext/src/gaussians2ellipsoids.py
+++ b/pyext/src/gaussians2ellipsoids.py
@@ -1,3 +1,4 @@
+#Use this to produce a chimera command file that when opened with chimera displays the components of the input GMM as ellipsoids
 import IMP
 import IMP.isd
 import IMP.isd.gmm_tools