Fix typo in Readme

Author: Johannes Scheuermann

README.md

@@ -87,7 +87,7 @@ spec:
         hostPath:
           path: /var/log/
 ```
-* Edit node-problem-detector.yaml to fit your environment: Set `log` volueme to your system log diretory. (Used by KernelMonitor)
+* Edit node-problem-detector.yaml to fit your environment: Set `log` volume to your system log diretory. (Used by KernelMonitor)
 * Create the DaemonSet with `kubectl create -f node-problem-detector.yaml`
 * If needed, you can use [ConfigMap](http://kubernetes.io/docs/user-guide/configmap/)
 to overwrite the `config/`.