message: Readme formatting, typos
diff: @@ -230,17 +230,17 @@ Implements ambient occlusion in screen space, adding depth with the help of ambi
  ## Physically based rendering
  -Physical based rendering as a lighting technique that achieves a more realistic and dynamic look by applying approximations of bidirectional reflectance distribution functions that rely on measured real-world material parameters and environment lighting.
  +*Physical based rendering as a lighting technique that achieves a more realistic and dynamic look by applying approximations of bidirectional reflectance distribution functions that rely on measured real-world material parameters and environment lighting.*
  ### [Physical shading basics](pbrbasic/)
  <img src="./screenshots/pbrbasic.jpg" height="72px" align="right">
  -Basic implementation of a metallic-roughness based physical based rendering model using measured material parameters. Implements a specular BRDF based on material parameters for metallic reflectance, surface roughness and color and displays a grid of objects with varying metallic and roughness parameters light by mutliple fixed light sources.
  +Basic implementation of a metallic-roughness based physical based rendering model using measured material parameters. Implements a specular BRDF based on material parameters for metallic reflectance, surface roughness and color and displays a grid of objects with varying metallic and roughness parameters light by multiple fixed light sources.
  ### [Physical shading with image based lighting](pbribl/)
  <img src="./screenshots/pbribl.jpg" height="72px" align="right">
  -Adds ```image based lighting``` to the PBR equation. IBL uses the surrounding environment as a single light source. This adds an even more realistic look the models as the light contribution used by the materials is now controled by the environment. The sample uses a fixed HDR environment cubemap as for lighting and reflectance. The new textures and cubemaps required for the enhanced lighting (BRDF 2D-LUT, irradiance cube and a filtered cube based on roughness) are generated at run-time based on that cubemap.
  +Adds ```image based lighting``` to the PBR equation. IBL uses the surrounding environment as a single light source. This adds an even more realistic look the models as the light contribution used by the materials is now controlled by the environment. The sample uses a fixed HDR environment cubemap as for lighting and reflectance. The new textures and cubemaps required for the enhanced lighting (BRDF 2D-LUT, irradiance cube and a filtered cube based on roughness) are generated at run-time based on that cubemap.
  ### [Physical shading with textures and image based lighting](pbrtexture/)
  <img src="./screenshots/pbrtexture.jpg" height="72px" align="right">
  