revert example which was corect first time; fix rst

api/server-server/definitions/event-schemas/m.direct_to_device.yaml

@@ -51,8 +51,7 @@ allOf:
               The contents of the messages to be sent.  These are arranged in
               a map of user IDs to a map of device IDs to message bodies.
               The device ID may also be *, meaning all known devices for the user.
-            example: |-
-              {
+            example: {
               "alice@example.org": {
                 "IWHQUZUIAH": {
                   "algorithm": "m.megolm.v1.aes-sha2",

specification/server_server_api.rst

@@ -1018,7 +1018,7 @@ The server API for send-to-device messaging is based on the following
 EDU. There are no PDUs or Federation Queries involved.
 
 Each send-to-device message should be sent to the destination server using
-the following EDU::
+the following EDU:
 
 {{definition_ss_event_schemas_m_direct_to_device}}