update README for Windows 11

- based on tests after clean install

README.md

@@ -53,7 +53,7 @@ The setup is based on the Conda distribution for Python called Anaconda
 2. Press "Import Environment" Button.
 3. Click at the folder icon; using the File Selection Dialog navigate to the to the directory with workshop materials and select `environment.yml` file.
 4. Press "Import" Button.
-5. Click on the black triangle and from the dropdown list select "Open Terminal".
+5. Click on the green triangle and from the dropdown list select "Open Terminal".
 6. Check your setup by running
 
        python -c "import tensorflow, matplotlib, numpy, pandas; print('OK')"
@@ -63,7 +63,7 @@ The setup is based on the Conda distribution for Python called Anaconda
 
        jupyter lab
 
-   in the terminal.
+   from the workshop material directory in the terminal. Note that you may need to install [Git](https://git-scm.com/) and reboot if you have not already done so.
 
 ## Using JupyterLab