message: Minor update to documentation
diff: @@ -153,6 +153,7 @@ PYBIND11_MODULE(eos, eos_module) {
  /**
  * Bindings for the eos::pca namespace:
  + * - Covariance
  * - pca()
  */
  py::module pca_module = eos_module.def_submodule("pca", "PCA and functionality to build statistical models.");
  