diff --git a/src/one-body-sample.parset b/src/one-body-sample.parset
index 93464c49580d39c3b76f478ed5fc88b69396f6f7..c65b72443f813b42e7863038957146fd4f0362f4 100644
--- a/src/one-body-sample.parset
+++ b/src/one-body-sample.parset
@@ -72,7 +72,7 @@ model = Ruina
 [boundary.friction.state]
 evolve = true
 # log(alpha(0))
-initial = -2.42037
+initial = -2.42037 # Dirichlet: -4.72295 (1e-4), -2.42037 (1e-3), -0.117783 (1e-2)
 
 [boundary.friction.ruina]
 # "For rocks, typical values of A and B range from 0.005 to 0.015"