diff --git a/pyext/src/restraint.py b/pyext/src/restraint.py
index 6c8a2013494cebf5154aaefb4b70d2a42e5aa996..3de2f060fbaddf3075c3b28748ac38d03dcfc495 100755
--- a/pyext/src/restraint.py
+++ b/pyext/src/restraint.py
@@ -19,7 +19,7 @@ from math import sqrt
 class GaussianEMRestraintWrapper(object):
     """Fit Gaussian-decorated particles to an EM map
     (also represented with a set of Gaussians)
-    \note This class wraps an isd::GaussianEMRestraint
+    \note This class wraps an IMP::bayesianem::GaussianEMRestraint
     """
     def __init__(self, densities,
                  target_fn='',