1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index d6b8945..5c56079 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ f2 = polymatrix.from_(x1 + x1*x2)
 f3 = f1 + f2          
 
 # prints the data structure of the expression
-# ExpressionImpl(underlying=AdditionExprImpl(left=FromSympyExprImpl(data=((x1 + x2,),)), right=FromSympyExprImpl(data=((x1*x2 + x1,),))))
+# AdditionExprImpl(left=FromSympyExprImpl(data=((x1 + x2,),)), right=FromSympyExprImpl(data=((x1*x2 + x1,),)))
 print(f3)
 
 state, poly_matrix = f3.apply(state)