Update README.md

Author: gkjohnson

README.md

@@ -4,7 +4,7 @@
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-Three.js loader for parsing Valve's Source Engine models built by referencing the data structures in the [ValveSoftware/source-sdk-2013](https://github.com/ValveSoftware/source-sdk-2013) project and the source engine [wiki](https://developer.valvesoftware.com/wiki/MDL). Demo models from the [Source Filmmaker](https://store.steampowered.com/app/1840/Source_Filmmaker/) installation.
+Unofficial Three.js loader for parsing Valve's Source Engine models built by referencing the data structures in the [ValveSoftware/source-sdk-2013](https://github.com/ValveSoftware/source-sdk-2013) project and the source engine [wiki](https://developer.valvesoftware.com/wiki/MDL). Demo models from the [Source Filmmaker](https://store.steampowered.com/app/1840/Source_Filmmaker/) installation.
 
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