diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80de00d..68bdd0a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## [2.2.1-rc.1](https://github.com/AnotherStranger/docker-borg-backup/compare/v2.2.0...v2.2.1-rc.1) (2023-12-13)
+
+
+### Code Refactoring
+
+* **docs:** :memo: update documentation for BORG_AUTHORIZED_KEYS ([d0ba5ca](https://github.com/AnotherStranger/docker-borg-backup/commit/d0ba5ca8eac5550d7f5e2629d07070b0da094cb9))
+* :recycle: keep old way of adding authorized keys in docker-compose.yml ([607bdea](https://github.com/AnotherStranger/docker-borg-backup/commit/607bdea704e52e976f805dbbfb27c7d2af0803f7))
+
 ## [2.2.0](https://github.com/AnotherStranger/docker-borg-backup/compare/v2.1.4...v2.2.0) (2023-12-13)
 
 
diff --git a/README.md b/README.md
index bff0c3c..8e12eb0 100644
--- a/README.md
+++ b/README.md
@@ -60,12 +60,12 @@ volumes:
 ### Environment variables
 
 <!-- markdownlint-disable -->
-| Variable                     | Description                                                                       | Example                |
-|------------------------------|-----------------------------------------------------------------------------------|------------------------|
-| `BORG_AUTHORIZED_KEYS`       | Public ssh keys for backups. Use either this Variable or the authorized_key file. | `<key-one>\n<key-two>` |
-| `BORG_UID`                   | UID for the backup user.                                                          | `1000`                 |
-| `BORG_GID`                   | GID for the backup user.                                                          | `1000`                 |
-| `BORG_SERVE_ADDITIONAL_ARGS` | Additional CMD args to borg serve                                                 | `--append-only`        |
+| Variable                     | Description                                                                                                                    | Example                |
+|------------------------------|--------------------------------------------------------------------------------------------------------------------------------|------------------------|
+| `BORG_AUTHORIZED_KEYS`       | Public ssh keys for backups. Use either this Variable or the authorized_key file. May contain comment lines starting with `#`  | `<key-one>\n<key-two>` |
+| `BORG_UID`                   | UID for the backup user.                                                                                                       | `1000`                 |
+| `BORG_GID`                   | GID for the backup user.                                                                                                       | `1000`                 |
+| `BORG_SERVE_ADDITIONAL_ARGS` | Additional CMD args to borg serve                                                                                              | `--append-only`        |
 <!-- markdownlint-enable -->
 
 ### Important Notes
diff --git a/docker-compose.yml b/docker-compose.yml
index b531815..3475f10 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,8 +8,13 @@ services:
 
     image: horaceworblehat/borg-server
     environment:
-      # Specify you public ssh keys here. Separate keys by adding \n
-      BORG_AUTHORIZED_KEYS: "key_one\nkey_two"
+      # Specify you public ssh keys here. You can also separate keys by adding \n
+      BORG_AUTHORIZED_KEYS: |
+        # comment
+        key_one
+        # another comment
+        key_two
+      # BORG_AUTHORIZED_KEYS: key_one\nkey_two
       BORG_SERVE_ADDITIONAL_ARGS: "--storage-quota 900G --append-only"
       BORG_UID: "1000"
       BORG_GID: "1000"