diff --git a/src/one-body-sample.parset b/src/one-body-sample.parset
index 17b47a28985fe37411d3ac619f6f0efa7e000470..d4ef4532a6eefa398713f2167cab21ce3c16d6aa 100644
--- a/src/one-body-sample.parset
+++ b/src/one-body-sample.parset
@@ -68,6 +68,7 @@ normalstress = 0.1 # laursen depends a lot more on this
 #    constitutive properties for earthquake prediction
 #    http://earthquake.usgs.gov/research/physics/lab/prediction.pdf
 mu = 0.5
+# If eta is too large, the initial state becomes very large
 eta = 1e-8
 model = Ruina
 
@@ -82,6 +83,7 @@ initial = 0
 # Continuum mathematical modeling of slip weakening in geological systems
 a = 0.015
 b = 0.005
+# If L is too large, reaching a steady state takes too long
 L = 1e-8
 
 # The second-order a and b terms in [..] are very important in