diff --git a/man/ggstats_add_xy.Rd b/man/ggstats_add_xy.Rd
index 48a659e..2676510 100644
--- a/man/ggstats_add_xy.Rd
+++ b/man/ggstats_add_xy.Rd
@@ -32,5 +32,5 @@ g<-ggplot(mdf, aes(Cytokine, Value, color=Group))+
   geom_point(position=position_dodge(width = 0.75))
 
 stat.test<-mdf \%>\% group_by(Cytokine) \%>\% t_test(Value~Group)
-g+stat_pvalue_manual(ggstats_add_xy(stat.test, mdf, "Group"),  label = "p", tip.length = 0.02, hide.ns = T)
+g+stat_pvalue_manual(ggstats_add_xy(stat.test, mdf, "Cytokine","Group"),  label = "p", tip.length = 0.02, hide.ns = T)
 }