diff --git a/HW4/ReadMe.md b/HW4/ReadMe.md
index 7e4f0b9..27f4458 100644
--- a/HW4/ReadMe.md
+++ b/HW4/ReadMe.md
@@ -1,29 +1,35 @@
 # The very last HW Igor Tomic and Mahmoud Shaqfa
 
 ## Ex. 1
 
-1.1 CMakeLists.txt has been changed to include pybind11 included in the subdirectory ./pybind11.
-1.2 Python bindings have been included in ./py_wrap.cc file accordingly to follow the ./main.py file includes.
-1.3 
+- 1.1 CMakeLists.txt has been changed to include pybind11 included in the subdirectory ./pybind11.
 
-## Ex.2
+- 1.2 Python bindings have been included in ./py_wrap.cc file accordingly to ./main.py file includes.
 
+- 1.3 
 
+## Ex. 2
 
 
-## Ex.3
 
-To build and make the project's binaries call the following shell script. This shell script will make a "build" file, call out Cmake and make. 
 
-3.1.1 to make excecutable and run
+## Ex. 3
 
+To build and make the project's binaries call the following shell script. This shell script will make a "build" file, call out Cmake and make.
+
+- 3.1.1 to make excecutable (if not) and run
 ```
 chmod +x compile.sh && ./compile.sh 
 
 ```
-3.1.2 to run only:
 
+- 3.1.2 to run only:
 ```
 ./compile.sh
 ```
 
+- 3.1.3 to run the final python file use the following command:
+```
+cd build && python3 main.py nsteps, freq, filename, particle_type, timestep
+
+```