diff --git a/materialy b/materialy
index 08e5b2c..35145ba 100644
--- a/materialy
+++ b/materialy
@@ -3,6 +3,7 @@ Widok planety:
 Tekstury i PBR:
 
 Bloom:
+https://learnopengl.com/Advanced-Lighting/Bloom
 
 Perlin noise: