improved the combined inventory search example

README.md

@@ -121,7 +121,7 @@ And just a few more for fun...
 
 Here's an example where we join the computePhysicalSummaries and the networkElementSummaries into a combined table...
 
-`index=* sourcetype="cisco:intersight:*Summaries" | dedup Moid | eval version=coalesce(Version,Firmware) | table source, Name, Model, Serial, version`
+`index=* sourcetype="cisco:intersight:*Summaries" | dedup Moid | eval version=coalesce(Version,Firmware) | rex field=SourceObjectType "compute\.(?<ComputeType>.*)" | eval Type=coalesce(ComputeType,SwitchType) | table source, Type, Name, Model, Serial, version`
 
 Here's an example where we join the Advisory instances to our other inventory types to provide a detailed view...