change FTDC parameter

Author: rasika-chivate

docs/release_notes/7.0.30-16.md

@@ -20,7 +20,7 @@ It supports protocols and drivers of both MongoDB Community **7.0.29** and Mongo
 - [PSMDB-1893](https://perconadev.atlassian.net/browse/PSMDB-1893): 
 **Disable specific FTDC metric groups**
 
-    Percona Server for MongoDB now permits administrators to disable specific diagnostic metric groups via the two new server parameters:
+    Percona Server for MongoDB now permits administrators to disable specific diagnostic metric groups via two new server parameters:
 
        - **diagnosticDataCollectionEnableSystemMetricsDisks**
         - Enables or disables collection of disk-level statistics.