@@ -1,11 +1,12 @@

-.onAttach <- function(libname, pkgname) {

+.onLoad <- function(libname, pkgname) {

     pkgVersion <- packageDescription(pkgname, fields="Version")

     msg <- paste0(pkgname, " v", pkgVersion, "  ",

                   "For help: https://guangchuangyu.github.io/", pkgname, "\n\n")

-    citation <- paste0("If you use ", pkgnameg, " in published research, please cite:\n",

+    citation <- paste0("If you use ", pkgname, " in published research, please cite:\n",

                   "Guangchuang Yu, David Smith, Huachen Zhu, Yi Guan, Tommy Tsan-Yuk Lam. ",

                   "ggtree: an R package for visualization and annotation of phylogenetic trees with their covariates and other associated data. ",

                   "Methods in Ecology and Evolution 2016, doi:10.1111/2041-210X.12628")

+

     packageStartupMessage(paste0(msg, citation))

 }