Update .chloggen/user_agent_os.yaml

Co-authored-by: Trask Stalnaker <[email protected]>

.chloggen/user_agent_os.yaml

@@ -10,7 +10,7 @@ change_type: 'enhancement'
 component: user-agent
 
 # A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
-note: Add user-agent OS attributes
+note: Add `user_agent.os.name` and `user_agent.os.version` attributes
 
 # Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
 # The values here must be integers.