12071 clarify implementation of single_instance in SMF services
Reviewed by: Robert Mustacchi <rm@fingolfin.org>

*** 203,213 ****
  
           example% svcprop -p general ntp
           general/package astring SUNWntpr
           general/enabled boolean true
           general/entity_stability astring Unstable
-          general/single_instance boolean true
  
  
  
         Example 4 Testing the Existence of a Property
  
--- 203,212 ----
*** 291,296 ****
         service_bundle(4), attributes(5), fnmatch(5), smf(5), smf_method(5),
         smf_security(5), zones(5)
  
  
  
!                                  April 9, 2016                      SVCPROP(1)
--- 290,295 ----
         service_bundle(4), attributes(5), fnmatch(5), smf(5), smf_method(5),
         smf_security(5), zones(5)
  
  
  
!                                December 11, 2019                    SVCPROP(1)