Update index.md

en/manual/graphics/effects-and-shaders/index.md

@@ -30,6 +30,9 @@ Stride shaders are converted automatically to the target graphics platform — e
 
 For mobile platforms, shaders are optimized by a GLSL optimizer to improve performance.
 
+>[!NOTE]
+>converting to OpenGL Compute shaders are not supported in SDSL yet.
+
 ## In this section
 
 * [Effect language](effect-language.md)
@@ -39,4 +42,4 @@ For mobile platforms, shaders are optimized by a GLSL optimizer to improve perfo
     - [Compile shaders](compile-shaders.md)
     - [Templates](shading-language/templates.md)
     - [Shader stage input/output automatic management](shading-language/automatic-shader-stage-input-output.md)
-* [Custom shaders](custom-shaders.md)
+* [Custom shaders](custom-shaders.md)