Update index.md

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

@@ -6,11 +6,11 @@ Stride provides a superset of the [HLSL Shading language](http://msdn.microsoft.
 - **modularity** to provide a set modular shaders each focusing on a single rendering technique, more easily manageable
 - **reusability** to maximize code reuse between shaders
 
-Stride Shading Language (XSL) is automatically transformed to an existing shading language (HLSL, GLSL, GLSL ES).
+Stride Shading Language (SDSL) is automatically transformed to an existing shading language (HLSL, GLSL, GLSL ES).
 
 ## In this section
 
 - [Shader classes, mixins, and inheritance](shader-classes-mixins-and-inheritance.md)
 - [Composition](composition.md)
 - [Templates](templates.md)
-- [Shader stage input/output automatic management](automatic-shader-stage-input-output.md)
+- [Shader stage input/output automatic management](automatic-shader-stage-input-output.md)