Update README.md

Author: betajippity

README.md

@@ -17,4 +17,4 @@ Nuparu currently consists of:
 * [RMSD](http://boscoh.com/code/), with minor modifications for C++ (OSX/Linux/Win)
 * [OpenEXR](http://www.openexr.com) 2.1.0 (OSX)
 
-Note: OpenVDB's dependencies are dynamically linked, so OpenVDB requires [Ilmbase/OpenEXR](http://www.openexr.com/) and [Intel TBB](https://www.threadingbuildingblocks.org/) to be installed.
+Note: OpenVDB requires [Intel TBB](https://www.threadingbuildingblocks.org/), but TBB is only available as a dynamically linked library. All other libraries in this collection are entirely statically linked.