Merge pull request #417 from SciML/ChrisRackauckas-patch-1

Update stiff ODE tutorial

Author: ChrisRackauckas

tutorials/advanced/02-advanced_ODE_solving.jmd

@@ -173,7 +173,7 @@ the Julia code for this.
 ```julia
 using ModelingToolkit
 de = modelingtoolkitize(prob)
-ModelingToolkit.generate_jacobian(de...)[2] # Second is in-place
+ModelingToolkit.generate_jacobian(de)[2] # Second is in-place
 ```
 
 which outputs:
@@ -201,7 +201,7 @@ which outputs:
 Now let's use that to give the analytical solution Jacobian:
 
 ```julia
-jac = eval(ModelingToolkit.generate_jacobian(de...)[2])
+jac = eval(ModelingToolkit.generate_jacobian(de)[2])
 f = ODEFunction(rober, jac=jac)
 prob_jac = ODEProblem(f,[1.0,0.0,0.0],(0.0,1e5),(0.04,3e7,1e4))
 ```