message: fix documentation typos found by review
diff: @@ -980,9 +980,9 @@ See Embree documentation for discussion of curve types and data formatting.
  ### Boxes
  -OSPRay can directly render AABBs without the need to convert them to quads or
  -triangles. To do so create an boxes geometry by calling `ospNewGeometry`
  -with type string "`boxes`".
  +OSPRay can directly render axis-aligned bounding boxes without the need
  +to convert them to quads or triangles. To do so create a boxes
  +geometry by calling `ospNewGeometry` with type string "`boxes`".
  Type Name Description
  ---------- ---------- ------------------------------------------------------
  