Update make.jl

Author: ChrisRackauckas

docs/make.jl

@@ -23,7 +23,8 @@ makedocs(modules = [DataInterpolations],
         "Using with Symbolics/ModelingToolkit" => "symbolics.md",
         "Manual" => "manual.md",
         "Smooth arc length interpolation" => "arclength_interpolation.md",
-        "Inverting Integrals" => "inverting_integrals.md"
+        "Inverting Integrals" => "inverting_integrals.md",
+        "clarification.md"
     ])
 
 deploydocs(repo = "github.com/SciML/DataInterpolations.jl"; push_preview = true)