More tweaks

Signed-off-by: Doug Davis <dug@us.ibm.com>
cloudevents · Aug 10, 2018 · ae803b6 · ae803b6
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commit ae803b6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/primer.md b/primer.md
@@ -159,8 +159,8 @@ within the proper extensibility points of the event (the `data` attribute)
 itself.
 
 The specification places no restrictions on the type of the extension
-attributes. Meaning, they may be simple types (e.g. strings, integers)
-or they can be complex types of structured data.
+attributes. Meaning, they may be simple types (e.g. strings, integers),
+complex (e.g. structured) or undefined collection of attributes.
 
 If an extension becomes popular then the specification authors might
 consider moving it into the specification as a core attribute. This means