updated doc

docs/build/doctrees/environment.pickle

...trees/examples/notebook_common_envelope_evolution.doctree

docs/build/doctrees/examples/notebook_custom_logging.doctree

docs/build/doctrees/examples/notebook_extra_features.doctree

...ild/doctrees/examples/notebook_individual_systems.doctree

...es/examples/notebook_luminosity_function_binaries.doctree

...rees/examples/notebook_luminosity_function_single.doctree

...build/doctrees/examples/notebook_massive_remnants.doctree

docs/build/doctrees/examples/notebook_population.doctree

docs/build/doctrees/examples/notebook_solar_system.doctree

docs/build/doctrees/nbsphinx/examples/notebook_HRD.ipynb

...ctrees/nbsphinx/examples/notebook_api_functionality.ipynb

...bsphinx/examples/notebook_common_envelope_evolution.ipynb

.../doctrees/nbsphinx/examples/notebook_custom_logging.ipynb

.../doctrees/nbsphinx/examples/notebook_extra_features.ipynb

...trees/nbsphinx/examples/notebook_individual_systems.ipynb

...hinx/examples/notebook_luminosity_function_binaries.ipynb

...sphinx/examples/notebook_luminosity_function_single.ipynb

...octrees/nbsphinx/examples/notebook_massive_remnants.ipynb

...uild/doctrees/nbsphinx/examples/notebook_population.ipynb