.onAttach <- function(...){
    packageStartupMessage()
    packageStartupMessage("For example usage please run: vignette('qqman')")
    packageStartupMessage()
    packageStartupMessage("Citation appreciated but not required:")
    packageStartupMessage("Turner, (2018). qqman: an R package for visualizing GWAS results using Q-Q and manhattan plots. Journal of Open Source Software, 3(25), 731, https://doi.org/10.21105/joss.00731.")
    packageStartupMessage()
}