diff --git a/nifty5/library/adjust_variances.py b/nifty5/library/adjust_variances.py
index dbc08a921a879a499f38f547c80c22662e416431..5034212a992a48f5b17dd2e6e8aaf85f8c77a692 100644
--- a/nifty5/library/adjust_variances.py
+++ b/nifty5/library/adjust_variances.py
@@ -53,7 +53,7 @@ def make_adjust_variances(a,
 
     Returns
     -------
-    Energy
+    StandardHamiltonian
         A Hamiltonian that can be used for further minimization.
     """