docs: align meta-data -> metadata

This occurrence was the only one spelled like 'meta-data', all others are
spelled as 'metadata'.

diff --git a/docs/index.rst b/docs/index.rst
index f288312e4911c0ccc9d769244e7884ff23f38821..ca5a8e7dd87204e3b22f2d5dc6a57747519d6889 100644 (file)
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -6,7 +6,7 @@ supports a large number of backends. These backends can either be plain
 zone files or be more dynamic in nature.
 
 PowerDNS has the concepts of 'backends'. A backend is a datastore that
-the server will consult that contains DNS records (and some meta-data).
+the server will consult that contains DNS records (and some metadata).
 The backends range from database backends (:doc:`MySQL <backends/generic-mysql>`, :doc:`PostgreSQL <backends/generic-postgresql>`, :doc:`Oracle <backends/oracle>`)
 and :doc:`Bind-zonefiles <backends/bind>` to :doc:`co-processes <backends/pipe>` and :doc:`JSON API's <backends/remote>`.