Update CHANGES.md for RC
diff --git a/CHANGES.md b/CHANGES.md
index 5105037..328b5a4 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -40,6 +40,7 @@
 
 | JIRA | Summary | Priority | Component |
 |:---- |:---- | :--- |:---- |
+| [HBASE-22137](https://issues.apache.org/jira/browse/HBASE-22137) | [hbase-thirdparty] RC0 doesn't include google.protobuf so fails PB generation if you try to use it. |  Major | . |
 | [HBASE-18709](https://issues.apache.org/jira/browse/HBASE-18709) | [hbase-thirdparty] Clean out bundled proto files |  Major | hbase-thirdparty |
 
 
@@ -50,5 +51,3 @@
 | [HBASE-22130](https://issues.apache.org/jira/browse/HBASE-22130) | [hbase-thirdparty] Upgrade thirdparty dependencies |  Major | thirdparty |
 
 
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diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index f84a398..a7238d9 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -53,5 +53,3 @@
 
 
 
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