Qualifies the mention of lazily starting services from 'interface'.

The 'interface' option is not always used by services that support lazy
startup.

Test: None
Change-Id: I6bfb095d4ecb932933d56cd1859a5eff6df2edbd
diff --git a/init/README.md b/init/README.md
index 6868378..8179bff 100644
--- a/init/README.md
+++ b/init/README.md
@@ -196,9 +196,9 @@
 
 `interface <interface name> <instance name>`
 > Associates this service with a list of the HIDL services that it provides. The interface name
-  must be a fully-qualified name and not a value name. This is used to allow hwservicemanager to
-  lazily start services. When multiple interfaces are served, this tag should be used multiple
-  times.
+  must be a fully-qualified name and not a value name. For instance, this is used to allow
+  hwservicemanager to lazily start services. When multiple interfaces are served, this tag should
+  be used multiple times.
   For example: interface vendor.foo.bar@1.0::IBaz default
 
 `ioprio <class> <priority>`