Fix doc build error on broker config
A recent change added a description with a : to the config data. This
broke the yaml parser.
Solution is to quote the string in question.
@@ -319,7 +319,7 @@ configs:
description: Name of load manager to use
- name: managedLedgerOffloadDriver
default: ''
- description: Driver to use to offload old data to long term storage (Possible values: S3)
+ description: "Driver to use to offload old data to long term storage (Possible values: S3)"
- name: managedLedgerOffloadMaxThreads
default: '2'
description: Maximum number of thread pool threads for ledger offloading
