Update comment

com.unity.render-pipelines.high-definition/HDRP/Lighting/LightEvaluation.hlsl

         // Note: There is no shadowDimmer when there is no shadow mask
 #endif
 
-        // Volumetric don't use screenspace shadow. Transparent neither (as we don't have the depth information)
+        // Transparent have no contact shadow information
 #ifndef _SURFACE_TYPE_TRANSPARENT
         shadow = min(shadow, GetContactShadow(lightLoopContext, lightData.contactShadowIndex));
 #endif
         shadow = lerp(1.0, shadow, lightData.shadowDimmer);
 #endif
 
-        // Volumetric don't use screenspace shadow. Transparent neither (as we don't have the depth information)
+        // Transparent have no contact shadow information
 #ifndef _SURFACE_TYPE_TRANSPARENT
         shadow = min(shadow, GetContactShadow(lightLoopContext, lightData.contactShadowIndex));
 #endif