Apply suggestions from code review

Co-authored-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

docs/configuring-playbook-element-call.md

@@ -25,7 +25,7 @@ See the project's [documentation](https://github.com/element-hq/element-call) to
 
 ## Decide on a domain and path
 
-By default, Element Call is configured to be served on the `call.element.DOMAIN` domain.
+By default, Element Call is configured to be served on the `call.element.example.com` domain.
 
 If you'd like to run Element Call on another hostname, see the [Adjusting the Element Call URL](#adjusting-the-element-call-url-optional) section below.
 
@@ -43,7 +43,7 @@ In addition to the HTTP/HTTPS ports (which you've already exposed as per the [pr
 
 ## Adjusting the playbook configuration
 
-Add the following configuration to your `inventory/host_vars/matrix.DOMAIN/vars.yml` file:
+Add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file:
 
 ```yaml
 matrix_element_call_enabled: true

docs/configuring-playbook.md

@@ -237,7 +237,7 @@ Services that help you in administrating and monitoring your Matrix installation
 
 Various services that don't fit any other categories.
 
-- [Setting up Element Call](configuring-playbook-element-call.md) - a native Matrix video conferencing application (optional)
+- [Setting up Element Call](configuring-playbook-element-call.md) — a native Matrix video conferencing application (optional)
 
 - [Setting up LiveKit JWT Service](configuring-playbook-livekit-jwt-service.md) (optional)
 

group_vars/matrix_servers

@@ -6329,12 +6329,12 @@ livekit_server_config_keys_auto: |-
 
 # The playbook intentionally uses a non-standard port than the default used by the role (5349),
 # because Coturn is already using that port.
-# Note that TURN is not enabled by default, see `livekit_server_config_turn_enabled`.
+# Note that TURN is not enabled by default. See `livekit_server_config_turn_enabled`.
 livekit_server_config_turn_tls_port: 5350
 
 # The playbook intentionally uses a non-standard port than the default used by the role (3478),
 # because Coturn is already using that port.
-# Note that TURN is not enabled by default, see `livekit_server_config_turn_enabled`.
+# Note that TURN is not enabled by default. See `livekit_server_config_turn_enabled`.
 livekit_server_config_turn_udp_port: 3479
 
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