diff --git a/Project.toml b/Project.toml
index 079c23f0..d54ce445 100644
--- a/Project.toml
+++ b/Project.toml
@@ -45,6 +45,10 @@ julia = "1"
 [extras]
 OrdinaryDiffEq = "1dea7af3-3e70-54e6-95c3-0bf5283fa5ed"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+JuliaFormatter = "98e50ef6-434e-11e9-1051-2b60c6c9e899"
+LightXML = "9c8b4983-aa76-5018-a973-4c85ecc9e179"
+Graphs = "86223c79-3864-5bf0-83f7-82e725a168b6"
+MetaGraphsNext = "fa8bd995-216d-47f1-8a91-f3b68fbeb377"
 
 [targets]
-test = ["OrdinaryDiffEq", "Test"]
+test = ["OrdinaryDiffEq", "Test", "JuliaFormatter", "LightXML", "Graphs", "MetaGraphsNext"]
diff --git a/docs/src/urdf.md b/docs/src/urdf.md
index fd68e9e8..f17b6def 100644
--- a/docs/src/urdf.md
+++ b/docs/src/urdf.md
@@ -22,4 +22,8 @@ out = "multibody_urdf.jl"
 urdf2multibody(filename; extras=true, out)
 
 include(out) # Include model, perform simulation and plotting
+```
+
+```@docs
+Multibody.urdf2multibody
 ```
\ No newline at end of file
diff --git a/ext/Render.jl b/ext/Render.jl
index 5067f376..b454e463 100644
--- a/ext/Render.jl
+++ b/ext/Render.jl
@@ -696,8 +696,8 @@ function rot_from_line(d)
     RotMatrix{3}([x y d])
 end
 
-Multibody.render!(scene, ::typeof(URDFRevolute), sys, sol, t) = false
-Multibody.render!(scene, ::typeof(URDFPrismatic), sys, sol, t) = false
+Multibody.render!(scene, ::typeof(Multibody.URDFRevolute), sys, sol, t) = false
+Multibody.render!(scene, ::typeof(Multibody.URDFPrismatic), sys, sol, t) = false
 
 # ==============================================================================
 ## PlanarMechanics