Merge pull request #907 from williamjacksn/patch-1

Add documentation for `include_meta` config key

README.md

@@ -68,6 +68,7 @@ We start by creating a config file to tell OctoDNS about our providers and the z
 ```yaml
 ---
 manager:
+  include_meta: False
   max_workers: 2
 
 providers:
@@ -102,6 +103,8 @@ zones:
 
 Further information can be found in the `docstring` of each source and provider class.
 
+The `include_meta` key in the `manager` section of the config controls the creation of a TXT record at the root of a zone that is managed by OctoDNS. If set to `True`, OctoDNS will create a TXT record for the root of the zone with the value `provider=<target-provider>`. If not specified, the default value for `include_meta` is `False`.
+
 The `max_workers` key in the `manager` section of the config enables threading to parallelize the planning portion of the sync.
 
 In this example, `example.net` is an alias of zone `example.com`, which means they share the same sources and targets. They will therefore have identical records.