diff --git a/README.md b/README.md
index bd384961..57a9f382 100644
--- a/README.md
+++ b/README.md
@@ -309,15 +309,12 @@ EMCC_CFLAGS="-I/Users/nickfisher/Documents/filament/libs/utils/include -I/Users/
 
 ## Materials
 
-glTF assets The default 
-
-- there is a simple material (unlit/opaque) used for background images. This is created by:
+We use a single material (no lighting and no transparency) for background images:
 ```
 filament/out/release/filament/bin/matc -a opengl -a metal -o materials/image.filamat materials/image.mat
 filament/out/release/filament/bin/resgen -c -p image -x ios/include/material/ materials/image.filamat            
 ```
 
-
 # Known issues
 
 On Windows, loading a glTF (but NOT a glb) may crash due to a race condition between uploading resource data to GPU memory and being freed on the host side.