(DOCSP-11601): Fix reference in OM spec

Author: melissamahoney-mongodb

source/reference/k8s-operator-om-specification.txt

@@ -149,7 +149,7 @@ Optional |onprem| Resource Settings
    - ``spec.applicationDatabase.podSpec.``:setting:`~spec.podSpec.cpuRequests`
    - ``spec.applicationDatabase.podSpec.``:setting:`~spec.podSpec.memory`
    - ``spec.applicationDatabase.podSpec.``:setting:`~spec.podSpec.memoryRequests`
-   - ``spec.applicationDatabase.podSpec.``:setting:`~spec.podSpec.persistence.single`
+   - ``spec.applicationDatabase.podSpec.persistence.``:setting:`~spec.podSpec.persistence.single`
    - ``spec.applicationDatabase.podSpec.persistence.multiple.``:setting:`~spec.podSpec.persistence.multiple.data`
    - ``spec.applicationDatabase.podSpec.persistence.multiple.``:setting:`~spec.podSpec.persistence.multiple.journal`
    - ``spec.applicationDatabase.podSpec.persistence.multiple.``:setting:`~spec.podSpec.persistence.multiple.logs`