message: BIS doc tweaks
diff: @@ -23,9 +23,11 @@ One of the nice things about consistent units is the ability to perform consiste
  Using SI units also has the benefit of being an international standard.
  +<!-- TODO: Clarify...
  ### Not all Metric Units are SI Units
  It is important to remember that not all metric units satisfy the units requirements. Units such as kilometer, millimeter, kilowatt and millivolt are neither SI Base Units nor are derived from SI Base Units (without prefix).
  + -->
  ### Angle Units
  