Merge pull request python-pillow#825 from wiredfool/hsv

Image Mode Docs

docs/handbook/concepts.rst

@@ -27,14 +27,16 @@ image. The current release supports the following standard modes:
     * ``RGBA`` (4x8-bit pixels, true color with transparency mask)
     * ``CMYK`` (4x8-bit pixels, color separation)
     * ``YCbCr`` (3x8-bit pixels, color video format)
+    * ``LAB`` (3x8-bit pixels, the L*a*b color space)
+    * ``HSV`` (3x8-bit pixels, Hue, Saturation, Value color space)
     * ``I`` (32-bit signed integer pixels)
     * ``F`` (32-bit floating point pixels)
 
 PIL also provides limited support for a few special modes, including ``LA`` (L
 with alpha), ``RGBX`` (true color with padding) and ``RGBa`` (true color with
 premultiplied alpha). However, PIL doesn’t support user-defined modes; if you
 to handle band combinations that are not listed above, use a sequence of Image
-objects.
+objects. 
 
 You can read the mode of an image through the :py:attr:`~PIL.Image.Image.mode`
 attribute. This is a string containing one of the above values.