diff --git a/src/ColPack.jl b/src/ColPack.jl
index fcf0d57..3f003f5 100644
--- a/src/ColPack.jl
+++ b/src/ColPack.jl
@@ -28,6 +28,6 @@ include("colpack_bicoloring.jl")
 
 # Exports
 
-export ColPackColoring, ColPackPartialColoring, ColPackBiColoring, get_colors
+export ColPackColoring, ColPackPartialColoring, get_colors
 
 end #module
diff --git a/src/colpack_bicoloring.jl b/src/colpack_bicoloring.jl
index fe80eff..4426d8a 100644
--- a/src/colpack_bicoloring.jl
+++ b/src/colpack_bicoloring.jl
@@ -3,13 +3,16 @@
 
 Struct holding the parameters of a bicoloring as well as its results (which can be queried with [`get_colors`](@ref)).
 
+!!! danger
+    This is still experimental and not protected by semantic versioning, use at your own risk.
+
 # Constructors
 
-ColPackBiColoring(
-    filename::AbstractString,
-    method::String,
-    order::String;
-    verbose::Bool=false    
+    ColPackBiColoring(
+        filename::AbstractString,
+        method::String,
+        order::String;
+        verbose::Bool=false    
     )
     
     ColPackBiColoring(
@@ -66,7 +69,7 @@ end
 """
     get_colors(coloring::ColPackBiColoring)
 
-Retrieve the colors from a [`ColPackBiColoring`](@ref) as two vectors of integers.
+Retrieve the colors from a [`ColPackBiColoring`](@ref) as two vectors of integers, one for the rows and one for the columns respectively.
 """
 function get_colors(coloring::ColPackBiColoring)
     get_bicoloring(coloring.refColPack[], coloring.coloring1, coloring.coloring2)
diff --git a/test/coloring.jl b/test/coloring.jl
index 8be62c1..b7bc4be 100644
--- a/test/coloring.jl
+++ b/test/coloring.jl
@@ -1,4 +1,5 @@
 using ColPack
+using ColPack: ColPackBiColoring
 using ColPack: COLORING_METHODS, PARTIAL_COLORING_METHODS, BICOLORING_METHODS
 using ColPack: COLORING_ORDERS, PARTIAL_COLORING_ORDERS, BICOLORING_ORDERS
 using LinearAlgebra
@@ -47,7 +48,6 @@ function test_colors(
     This makes it hard to test it properly.
     =#
     @test length(colors1) <= size(A, 1)
-    @test maximum(colors1) <= size(A, 1)
     @test length(colors2) <= size(A, 2)
     @test isempty(intersect(Set(colors1), Set(colors2)))
 end
diff --git a/test/exceptions.jl b/test/exceptions.jl
index 1c56a76..abe53f9 100644
--- a/test/exceptions.jl
+++ b/test/exceptions.jl
@@ -1,4 +1,5 @@
 using ColPack
+using ColPack: ColPackBiColoring
 using SparseArrays
 using Test