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 Particle Physics
 ===============
-Particle Physics is being split off from Minechem.
+Particle Physics is being split off from Minechem. If you're upgrading to ParticlePhysics from Minechem pre-5.0.5-Dev4, please read about [how to upgrade](http://jakimfett.com/status-report/splitting-minechem/)
 
 The basic principles can be seen in [BevoLJ's showcase of Minechem and Particle Physics](https://www.youtube.com/watch?feature=player_detailpage&v=V_J7eruam9A#t=1058).