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@@ -10,7 +10,7 @@ Think of Git<sup>AEC</sup> as GitHub, but for the world of Architecture, Enginee
 
 Git<sup>AEC</sup> (version 0.2) is [git](Git)-based [Common Data Environment](CDE) (CDE) developed on top of [Forgejo](https://forgejo.org) with  : 
 
-* A [viewer](https://gitaec.org/rvba/docs/src/branch/main/ifc/duplex.ifc) based on [ThatOpen](https://thatopen.com/) IFC. 
+* A IFC file [viewer](https://gitaec.org/rvba/docs/src/branch/main/ifc/duplex.ifc) based on [ThatOpen](https://thatopen.com/) [SDK](https://en.wikipedia.org/wiki/Software_development_kit). 
 * [Automation](https://en.wikipedia.org/wiki/CI/CD) for computational tasks. ([pipelines](https://gitaec.org/rvba/docs/wiki/Zurich-hackathon#pipelines))