diff --git a/SL.jl b/SL.jl
index 37a6c72..a786521 100644
--- a/SL.jl
+++ b/SL.jl
@@ -90,27 +90,27 @@ function parse_commandline()
 
     @add_arg_table s begin
         "--tol"
-            help = "set numerical tolerance for the SDP solver"
+            help = "set numerical tolerance for the SDP solver (default: 1e-5)"
             arg_type = Float64
-            default = 1e-9
+            default = 1e-5
         "--iterations"
-            help = "set maximal number of iterations for the SDP solver"
+            help = "set maximal number of iterations for the SDP solver (default: 20000)"
             arg_type = Int
-            default = 100000
+            default = 20000
         "--upper-bound"
-            help = "Set an upper bound for the spectral gap"
+            help = "Set an upper bound for the spectral gap (default: Inf)"
             arg_type = Float64
             default = Inf
         "--cpus"
-            help = "Set number of cpus used by solver"
+            help = "Set number of cpus used by solver (default: auto)"
             arg_type = Int
             required = false
         "-N"
-            help = "Consider matrices of size N"
+            help = "Consider matrices of size N (default: N=3)"
             arg_type = Int
             default = 3
         "-p"
-            help = "Matrices over filed of p-elements (0 = over ZZ)"
+            help = "Matrices over filed of p-elements (default: p=0 => over ZZ)"
             arg_type = Int
             default = 0
     end