1 files changed, 1 insertions, 1 deletions
diff --git a/README.rst b/README.rst
index f4deb4d..c539b15 100644
--- a/README.rst
+++ b/README.rst
@@ -36,7 +36,7 @@ to give an overview.
             for term in sparse.terms(entry):
                 monomial_str = ""
                 for idx in term:
-                    var = state.from_index(idx.var_idx)
+                    var = state.from_index(idx)
                     monomial_str += f"{var.name}^{idx.power} "
 
                 # Get the coefficient