add doc note

internal/reflect/slice.go

@@ -90,6 +90,7 @@ func reflectSlice(ctx context.Context, typ attr.Type, val tftypes.Value, target
 		}
 
 		return slice, diags
+	// Tuple reflection into slices is currently limited to use-cases where all tuple element types are the same.
 	case attr.TypeWithElementTypes:
 		// we need to know the type the slice is wrapping
 		elemType := target.Type().Elem()
@@ -240,7 +241,7 @@ func FromSlice(ctx context.Context, typ attr.Type, val reflect.Value, path path.
 
 			tfElems = append(tfElems, tfVal)
 		}
-	// Tuple reflection from slices is currently not supported as usage is limited
+	// Tuple reflection from slices is currently limited to use-cases where all tuple element types are the same.
 	case attr.TypeWithElementTypes:
 		if len(t.ElementTypes()) <= 0 {
 			// If the tuple values are empty as well, we can just pass back an empty slice of the type we received.