diff --git a/docs/play.md b/docs/play.md
index efe8085..4415474 100644
--- a/docs/play.md
+++ b/docs/play.md
@@ -31,7 +31,7 @@ The compose service, beside `ipx-directory`:
     env_file: play.env          # PLAY_DATABASE_URL=postgres://...
     environment:
       PLAY_LOG_FORMAT: json
-      OTEL_EXPORTER_OTLP_ENDPOINT: http://tempo:4318
+      OTEL_EXPORTER_OTLP_ENDPOINT: http://192.168.1.130:4318   # Tempo is not on this network
     volumes:
       - /mnt/fast/appdata/ipx-play:/config
     ports:
@@ -56,8 +56,9 @@ Its database is Postgres, `ipx_play` on the `databases` project's server, its UR
 beside the compose file (mode 600), as the directory's is. It makes its one table, `shares`, on
 start.
 
-The tunnel publishes `play.ipxreader.app` to `http://ipx-play:8102` with no Access in front: the
-pages are anyone's. `/v1` takes a token for everything.
+The tunnel publishes `play.ipxreader.app` to `http://192.168.1.130:8102` with no Access in front:
+the pages are anyone's. cloudflared is not on the project's network, so not `ipx-play:8102`, as
+the directory's route is the host's port too. `/v1` takes a token for everything.
 
 ## Setting up ipx