doc: make figure title fit in the examples

Author: ctoney

R/spatstat_helpers.R

@@ -104,7 +104,7 @@
 #'
 #' # Ripley's K-function
 #' K <- spatstat.explore::Kest(X, rmax = 12)
-#' plot(K, main = "Ripley's K-function for the plantation trees")
+#' plot(K, main = "Ripley's K for the plantation trees")
 #' @export
 create_fia_owin <- function(linear_unit = "ft", macroplot = FALSE,
                             npoly = 360) {