diff --git a/src/Solvers/DESolver.h b/src/Solvers/DESolver.h
index f3c3379778470720355f449ca9583211514cd2db..968ee5fed85cc8cf7bf020cfb7cbae37fccefaad 100644
--- a/src/Solvers/DESolver.h
+++ b/src/Solvers/DESolver.h
@@ -6,6 +6,7 @@
  */
 
  //TODO incorporate uncertainities as coefficients in NeuralNetworkSum or ErrorSum
+ //TODO add support for multiple unknown functions to be found
 
 #ifndef INC_4NEURO_PDESOLVER_H
 #define INC_4NEURO_PDESOLVER_H
diff --git a/src/tests/NeuronLogistic_test.cpp b/src/tests/NeuronLogistic_test.cpp
index 7d3e9fe4bcca31c993e99951b8943089a80a7786..e33d8fbfa9b961320ceb2489aa7974b7e5ef19ed 100644
--- a/src/tests/NeuronLogistic_test.cpp
+++ b/src/tests/NeuronLogistic_test.cpp
@@ -44,11 +44,11 @@ BOOST_AUTO_TEST_SUITE(neuronLogistic_test)
         NeuronLogistic neuron(3.0, 2.0);
 
         //Test of correct output of activation_function_get_derivative method
-        BOOST_CHECK_CLOSE(0.00447566759338, neuron.activation_function_eval_derivative(), 0.00001);
+        BOOST_CHECK_CLOSE(0.0042850850699, neuron.activation_function_eval_derivative(), 0.00001);
         //Tests of correct outputs of activation_function_get_partial_derivative method
-        BOOST_CHECK_CLOSE(-0.0036025788498, neuron.activation_function_eval_partial_derivative(0), 0.00001);
-        BOOST_CHECK_CLOSE(-0.0044756675933, neuron.activation_function_eval_partial_derivative(1), 0.00001);
+        BOOST_CHECK_CLOSE(-0.0068569236644, neuron.activation_function_eval_partial_derivative(0), 0.00001);
+        BOOST_CHECK_CLOSE(-0.0042850850699, neuron.activation_function_eval_partial_derivative(1), 0.00001);
         BOOST_CHECK_EQUAL(0.0, neuron.activation_function_eval_partial_derivative(10000));
     }
 
-BOOST_AUTO_TEST_SUITE_END()
\ No newline at end of file
+BOOST_AUTO_TEST_SUITE_END()