message: Fix docs typo
  Closes
diff: @@ -603,7 +603,7 @@ Table [standardParameters] describes the list of parameters that satisfy our con
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  **BaseColor** | Diffuse albedo for non-metallic surfaces, and specular color for metallic surfaces
  **Metallic** | Whether a surface appears to be dielectric (0.0) or conductor (1.0). Often used as a binary value (0 or 1)
  -**Roughness** | Perceived smoothness (1.0) or roughness (0.0) of a surface. Smooth surfaces exhibit sharp reflections
  +**Roughness** | Perceived smoothness (0.0) or roughness (1.0) of a surface. Smooth surfaces exhibit sharp reflections
  **Reflectance** | Fresnel reflectance at normal incidence for dielectric surfaces. This replaces an explicit index of refraction
  **Emissive** | Additional diffuse albedo to simulate emissive surfaces (such as neons, etc.) This parameter is mostly useful in an HDR pipeline with a bloom pass
  **Ambient occlusion** | Defines how much of the ambient light is accessible to a surface point. It is a per-pixel shadowing factor between 0.0 and 1.0. This parameter will be discussed in more details in the lighting section
  