Fix anchor links to configuring-playbook-element-call.md

Signed-off-by: Suguru Hirahara <did🔑z6MkvVZk1A3KBApWJXv2Ju4H14ErDfRGxh8zxdXSZ4vACDg5>

docs/configuring-playbook-matrix-rtc.md

@@ -17,8 +17,8 @@ The Matrix RTC stack is a set of supporting components ([LiveKit Server](configu
 
 - A [Synapse](configuring-playbook-synapse.md) homeserver (see the warning below)
 - Various experimental features for the Synapse homeserver which Element Call [requires](https://github.com/element-hq/element-call/blob/93ae2aed9841e0b066d515c56bd4c122d2b591b2/docs/self-hosting.md#a-matrix-homeserver) (automatically done when Element Call is enabled)
-- A [LiveKit Server](configuring-playbook-livekit-server.md) (automatically installed when [Element Call or the Matrix RTC stack is enabled](#decide-between-element-call-vs-just-the-matrix-rtc-stack))
-- The [LiveKit JWT Service](configuring-playbook-livekit-jwt-service.md) (automatically installed when [Element Call or the Matrix RTC stack is enabled](#decide-between-element-call-vs-just-the-matrix-rtc-stack))
+- A [LiveKit Server](configuring-playbook-livekit-server.md) (automatically installed when [Element Call or the Matrix RTC stack is enabled](configuring-playbook-element-call.md#decide-between-element-call-vs-just-the-matrix-rtc-stack))
+- The [LiveKit JWT Service](configuring-playbook-livekit-jwt-service.md) (automatically installed when [Element Call or the Matrix RTC stack is enabled](configuring-playbook-element-call.md#decide-between-element-call-vs-just-the-matrix-rtc-stack))
 - A client compatible with Element Call. As of 2025-03-15, that's just [Element Web](configuring-playbook-client-element-web.md) and the Element X mobile clients (iOS and Android).
 
 > [!WARNING]