diff --git a/man-examples/RunModel.GRiwrmInputsModel.R b/man-examples/RunModel.GRiwrmInputsModel.R
index 5758029..243cd24 100644
--- a/man-examples/RunModel.GRiwrmInputsModel.R
+++ b/man-examples/RunModel.GRiwrmInputsModel.R
@@ -207,5 +207,5 @@ df54001 <- cbind(attr(OM_div, "Qm3s")[Ind_Plot, c("DatesR", "54001")],
 names(df54001) <- c("DatesR", "54001 with irrigation", "54001 natural flow")
 df54001 <- as.Qm3s(df54001)
 plot(df54001, ylim = c(0,70))
-abline(h = 12, col = "green")
+abline(h = 12, col = "green", lty = "dotted")
 par(oldpar)