diff --git a/setup.py b/setup.py
index 75a9483..6fb55fb 100644
--- a/setup.py
+++ b/setup.py
@@ -179,6 +179,8 @@ class DependenciesBuilder(_build):
         check_programs_availability(["cmake","make","g++","gcc","gfortran","git","python3"])
 
         print("Building Spintrum C/C++ extension prerequisites")
+
+        ########## get OpenBLAS
         openblas_dir = "3rdparty/OpenBLAS"
         openblas_dir_install = "spintrum/OpenBLAS_install"
         openblas_full_path = os.path.join(start_working_dir, openblas_dir)