diff --git a/README.md b/README.md
index a37a828..dda5f76 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,3 @@
-Still a work in progress.
-
 Generates the shapes and then serializes them to a JSON file with a list of 
 vertices (`positions`) and a list of triangle faces (`cells`) that index into 
 the list of vertices. Suitable for input into [Three.js's 
@@ -11,8 +9,9 @@ JavaScript (which I pretty much copied into Rust).
 
 Trunacated icosahedrons (I call them hexspheres) are a bit slower to generate 
 since they are made by generating a icosahedron and then subdividing it into 
-hexagon and pentagon faces. I still have some work to do to improve that code.
+hexagon and pentagon faces.
 
-I'm still having issues rendering hexspheres of detail level 5 and higher and 
-icosahedrons of detail level of 7 and higher, so I'm not sure if those are 
-accurate.
+When rendering hexspheres of detail level 5 and higher and icosahedrons of 
+detail level of 7 and higher in WebGL, make sure to enable the 
+[`OES_element_index_uint`](https://developer.mozilla.org/en-US/docs/Web/API/OES_element_index_uint) 
+extension since the number of vertices might overflow the normal int index.