Adjust annotation

Signed-off-by: Sicheng Song <[email protected]>

common/src/main/java/org/opensearch/ml/common/transport/connector/MLCreateConnectorInput.java

@@ -150,7 +150,7 @@ public static MLCreateConnectorInput parse(XContentParser parser, boolean update
                     parameters = getParameterMap(parser.map());
                     break;
                 case CONNECTOR_CREDENTIAL_FIELD:
-                    // We need to filter out any key string that is trying to imitate the subfield of the secretArn of the credential map
+                    // We need to filter out any key string that is trying to imitate the subfield of any kind of ARN of the credential map
                     credential = new HashMap<>();
                     Map<String, String> credentialKeyToAdd = parser.mapStrings();
                     Pattern pattern = Pattern.compile("[a-zA-Z]+Arn\\.");