Installing-MP-Gryphon.md

@@ -134,6 +134,10 @@ The Trace Generator is currently not available on newer Mac systems.  However Gr
 Currently Mac offers Rosetta 2 for running code compiled for X86 arcitecture. 
  We use this to run Gryphon.  Install and run MP Gryphon as follows:
 
+1. Might need this if not already there:
+
+    softwareupdate --install-rosetta
+
 1. Create a command window that is configured to emulate X86, ref. https://dev.to/courier/tips-and-tricks-to-setup-your-apple-m1-for-development-547g:
 
     * Open Finder.