message: docu: added clarification to gallery
diff: @@ -2,9 +2,10 @@ Open Image Denoise Gallery
  ==========================
  This page contains a few sample screenshots of different renderings denoised
  -with Open Image Denoise. The original noisy images are also shown. Hover over an
  -image (or tap on it if you have a touchscreen) to move the slider between the
  -original and denoised versions.
  +with Open Image Denoise, using the color, albedo, and normal buffers as inputs.
  +The original noisy images are also shown. Hover over an image (or tap on it if
  +you have a touchscreen) to move the slider between the original and denoised
  +versions.
  If *you* have created any notable images using Open Image Denoise and would
  like to share them on this page, please [send us an
  