diff --git a/Dockerfile b/Dockerfile
index 718ac97..9e40424 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,4 +21,6 @@ COPY ./opt /opt/
 
 # remove packages
 RUN set -xe && apk del unzip wget
+
+VOLUME /etc/d2ray
 CMD ["sh", "/opt/init.sh"]
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diff --git a/README.md b/README.md
index 9cc78a0..d944515 100644
--- a/README.md
+++ b/README.md
@@ -23,9 +23,12 @@ d2ray checks whether a key file exists at path `/etc/xray/certs/keys` and genera
 
 You can either supply a pre-generated private key using `xray x25519` or let d2ray generate one. The corresponding public key is printed to the container log (`docker logs`), which clients use to connect. 
 
-If you are generating the private key yourself, the key file must contain exactly the output of `xray x25519`.
+If you are generating the keys yourself, the key file must contain exactly the output of `xray x25519`.
 
 ## How To Update?
 - `docker compose down`
 - `docker compose pull`
-- `docker compose up -d`
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+- `docker compose up -d`
+
+## Notes
+- The old xtls-vision + TLS + Nginx fallback has been branched out to the `vision` branch.
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