message: Fix revision formatting
diff: @@ -4036,8 +4036,8 @@ void main() {
  # Revisions
  -August 21, 2018: BRDF improvements
  -- Added section [Energy loss in specular reflectance] on how to compensate for loss of energy at high roughness
  +August 21, 2018: Multiscattering
  + - Added section [Energy loss in specular reflectance] on how to compensate for energy loss in single scattering BRDFs
  August 17, 2018: Specular color
  - Added section [Specular color] to explain how the base color of various metals is computed
  