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13 changes: 7 additions & 6 deletions README.MD
Original file line number Diff line number Diff line change
Expand Up @@ -86,11 +86,10 @@ Troubleshooting:
----------------

Visual Studio gives "Error MSB3073" when building. This is an issue with the pre-build
step, and we've seen it in the following cases:
step and we've seen it in the following cases:

* The installation directory name (or parent directories) contains a space.
* You ran a parallel build; our pre-build script gets called for each tutorial and fails
on all except the first. This is usually a one-time error and rebuilding solves the problem.
* You ran a parallel build; our pre-build script gets called for each tutorial and fails on all except the first. This is usually a one-time error and rebuilding solves the problem.
* There are installation problems with the dependencies. Remove the "Falcor/Media/" directory
and all subdirectories in the **Falcor/Framework/Externals/** directory (you can do this with
**delete_dependencies.bat**) and rerun **update_dependencies.bat** in the **Falcor/**
Expand Down Expand Up @@ -130,20 +129,22 @@ Other useful resources:
* The [_Real-Time Rendering_ Ray Tracing Resources Page](http://www.realtimerendering.com/raytracing.html), which includes a free chapter on the basic ideas behind DXR and interactive ray tracing.

----------------------------------------------------------------------------------------------
Acknowledgments:
Acknowledgements:
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FWIW, this change makes it into the spelling that the British prefer, e.g., https://www.grammarly.com/blog/what-is-the-difference-between-acknowledgement-and-acknowledgment/

----------------------------------------------------------------------------------------------

The desert HDR environment map (MonValley Dirtroad) is provided from the sIBL Archive under a
Creative Commons license [CC BY-NC-SA 3.0 US](http://www.hdrlabs.com/sibl/archive.html).

The included "pink_room" scene is named 'The Modern Living Room' by Wig42 on [Benedikt Bitterli's
webpage](https://benedikt-bitterli.me/resources/). It has been modified to match the Falcor
material system. This scene was released under a CC-BY license. It may be copied, modified and
material system. This scene was released under a CC-BY license. It may be copied, modified and
used commercially without permission, as long as: Appropriate credit is given to the original author
The original scene file may be obtained [here](http://www.blendswap.com/blends/view/75692).

The moon texture came from here under [CC BY 4.0 license](https://www.solarsystemscope.com/textures/).

The earth texture is [public domain from here](http://www.shadedrelief.com/natural3/pages/textures.html).

The normal map texture is licensed [CC0 from here](https://texturehaven.com/textures/).
The normal map texture is licensed [CC0 from here](https://texturehaven.com/textures/).