udpate changelog

Andrew Xue · Andrew Xue · commit 5ab4435f27c5 · 2020-05-14T16:45:56.000-04:00
diff --git a/opentelemetry-sdk/CHANGELOG.md b/opentelemetry-sdk/CHANGELOG.md
@@ -2,8 +2,7 @@
 
 ## Unreleased
 
-- Span attributes and events are now filtered to ignore attributes with
-  invalid values
+- Validate span attribute types in SDK (#678)
 
 ## 0.7b1
 
