Add cluster apiMaturity & description
diff --git a/src/app/zap-templates/zcl/data-model/chip/chime-cluster.xml b/src/app/zap-templates/zcl/data-model/chip/chime-cluster.xml
index 1a9e9ba..b246776 100644
--- a/src/app/zap-templates/zcl/data-model/chip/chime-cluster.xml
+++ b/src/app/zap-templates/zcl/data-model/chip/chime-cluster.xml
@@ -28,12 +28,12 @@
     <item fieldId="1" name="Name" type="char_string" length="48"/>
   </struct>
 
-  <cluster>
+  <cluster apiMaturity="provisional">
     <domain name="General"/>
     <name>Chime</name>
     <code>0x0556</code>
     <define>CHIME_CLUSTER</define>
-    <description/>
+    <description>This cluster provides facilities to configure and play Chime sounds, such as those used in a doorbell.</description>
     <client init="false" tick="false">true</client>
     <server init="false" tick="false">true</server>
     <globalAttribute code="0xFFFD" side="either" value="1"/>