Improve example descriptions

These were all labeled: Example Match - improve the
description slightly.

Change-Id: I1ec78c6512fb66423193b5ce0f42b0fc41cdcc45
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/example/events.d/match1.yaml b/example/events.d/match1.yaml
index 9dca187..afc2974 100644
--- a/example/events.d/match1.yaml
+++ b/example/events.d/match1.yaml
@@ -1,8 +1,9 @@
 description: >
-    An example inventory match rule.
+    The sample events below serve to illustrate PIM features
+    and are also used by the PIM test suite.
 
 events:
-    - name: Example Match
+    - name: setProperty + propertyChangedTo example
       description: >
           Sets the value of ExampleProperty1 on /changeme
           when the value of ExampleProperty2 on
@@ -29,7 +30,7 @@
               type: string
               value: changed
 
-    - name: Example Match
+    - name: createObjects + propertyChangedTo example
       description: >
           Create /createme1 and /createme2 when the value of
           ExampleProperty2 on /testing/trigger5 changes to abc123.