improve example

Author: Aleksander Chlebowski

R/tm_g_scatterplotmatrix.R

@@ -80,7 +80,7 @@
 #'             label = "Select variable:",
 #'             vars = "country_id",
 #'             choices = value_choices(data[["sales"]], "country_id"),
-#'             selected = c("DE", "FR"),
+#'             selected = c("DE", "FR", "IT", "ES", "PT", "GR", "NL", "BE", "LU", "AT"),
 #'             multiple = TRUE
 #'           ),
 #'           select = select_spec(