Update src/Magnum/Trade/PhongMaterialData.h

Co-authored-by: Vladimír Vondruš <mosra@centrum.cz>

src/Magnum/Trade/PhongMaterialData.h

@@ -168,6 +168,9 @@ class MAGNUM_TRADE_EXPORT PhongMaterialData: public AbstractMaterialData {
          *
          * If any `*CoordinateSet` is non-zero, expects
          * @ref Flag::TextureCoordinateSets to be enabled as well.
+         *
+         * If any `*CoordinateSet` is non-zero, expects
+         * @ref Flag::TextureCoordinateSets to be enabled as well.
          */
         explicit PhongMaterialData(Flags flags, const Color4& ambientColor, UnsignedInt ambientTexture, UnsignedInt ambientCoordinateSet, const Color4& diffuseColor, UnsignedInt diffuseTexture, UnsignedInt diffuseCoordinateSet, const Color4& specularColor, UnsignedInt specularTexture, UnsignedInt specularCoordinateSet, UnsignedInt normalTexture, UnsignedInt normalCoordinateSet, const Matrix3& textureMatrix, MaterialAlphaMode alphaMode, Float alphaMask, Float shininess, const void* importerState = nullptr) noexcept;