diff --git a/requirements.txt b/requirements.txt
index 6bb74489ecf5dd13236604e004e35b7321cc2545..0563fabcb24123be28c3ca788f4d41885b64898a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,9 @@
-conda environment with python=3.6, 
-install astra-toolbox stable version
+install conda environment with python=3.6, 
+install astra-toolbox stable version(```conda install -c astra-toolbox astra-toolbox```)
+```
 conda install pytorch torchvision cudatoolkit=9.0 -c pytorch
 conda install dival
+```
 
 Make sure to integrate it to the Jupyter kernel.