Trade: minor doc fixes.

src/Magnum/Trade/FlatMaterialData.h

@@ -57,7 +57,7 @@ class MAGNUM_TRADE_EXPORT FlatMaterialData: public MaterialData {
         #endif
 
         /**
-         * @brief Whether the material has a specular texture
+         * @brief Whether the material has a texture
          *
          * Returns @cpp true @ce if any of the
          * @ref MaterialAttribute::BaseColorTexture or

src/Magnum/Trade/MeshData.h

@@ -227,10 +227,7 @@ index array. The @ref MeshIndexType gets inferred from the view type:
 
 Alternatively, you can pass a typeless @cpp const void @ce view and supply
 @ref MeshIndexType explicitly, or a contiguous 2D view and let the class detect
-the actual index type from second dimension size. Note that the class accepts
-only contiguous views and not @relativeref{Corrade,Containers::StridedArrayView},
-following limitations of GPU index buffers that also have to be contiguous.
-@see @ref MeshAttributeData
+the actual index type from second dimension size.
 */
 class MAGNUM_TRADE_EXPORT MeshIndexData {
     public: