ggrare modify sample labels text size

[ghost]

Hello,
thank you for sharing phyloseq-extended!
Is there any way of changing text size inside a plot obtained with ggrare?
My code looks like
p <- ggrare(psdata1, step = 100, color = "Sample", label = "Sample", se = FALSE) +
labs(x="Sample size", y = "Observed features") +
scale_x_continuous(breaks=seq(0, 60000, by=5000))

I have 172 samples and the plot gets a bit crowded, I would like to decrease font size of the labels attached to each curve. I have tried
geom_text(size = ) with different values, but nothing works.

Many thanks again,

[marwa38]

have you found a way?