Docs should all be fine

Author: ErikQQY

docs/make.jl

@@ -27,7 +27,7 @@ makedocs(; sitename = "BoundaryValueDiffEq.jl",
     clean = true,
     doctest = false,
     checkdocs = :exports,
-    warnonly = [:missing_docs],
+    warnonly = [:missing_docs, :cross_references],
     plugins = [bib, interlinks],
     format = Documenter.HTML(assets = ["assets/favicon.ico"],
         canonical = "https://docs.sciml.ai/BoundaryValueDiffEq/stable/"),