fix exception name

Author: breedx-splk

ibm-mq-metrics/README.md

@@ -208,7 +208,7 @@ See [docs/metrics.md](docs/metrics.md).
 4. `MQJE001: Completion Code '2', Reason '2400'`
    This could happen if unsupported cipherSuite is provided or JRE not having/enabled unlimited jurisdiction policy files. Please check SSL Support section.
 
-5. If you are seeing "NoClassDefFoundError" or "ClassNotFound" error for any of the MQ dependency even after providing correct path in monitor.xml, then you can also try copying all the required jars in WMQMonitor (MAHome/monitors/WMQMonitor) folder and provide classpath in monitor.xml like below
+5. If you are seeing `NoClassDefFoundError` or `ClassNotFoundException` error for any of the MQ dependency even after providing correct path in monitor.xml, then you can also try copying all the required jars in WMQMonitor (MAHome/monitors/WMQMonitor) folder and provide classpath in monitor.xml like below
 
    ```
     <classpath>opentelemetry-ibm-mq-monitoring-<version>-all.jar;com.ibm.mq.allclient.jar</classpath>