diff --git a/R/DAISIE_create_island.R b/R/DAISIE_create_island.R
index 71a67b5a..da278108 100644
--- a/R/DAISIE_create_island.R
+++ b/R/DAISIE_create_island.R
@@ -5,6 +5,7 @@
 #' @return list with the island information, composed stt table,
 #' branching times of extant species, status of species on
 #' the island and number of missing species.
+#' @keywords internal
 DAISIE_create_island <- function(stt_table,
                                  totaltime,
                                  island_spec,
diff --git a/man/DAISIE_create_island.Rd b/man/DAISIE_create_island.Rd
index 629ae1ed..d717259c 100644
--- a/man/DAISIE_create_island.Rd
+++ b/man/DAISIE_create_island.Rd
@@ -47,3 +47,4 @@ the island and number of missing species.
 \description{
 Converts simulation output into island output
 }
+\keyword{internal}