updated README.md

README.md

@@ -9,7 +9,7 @@ It supports:
 
 - Local mounts
 - Remote encrypted mounts between systems
-- Optional file name and data encryption using `XChaCha20-Poly1305`
+- Optional file name and data encryption using `XChaCha20-Poly1305` and `Argon2id` for key generation
 
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@@ -193,6 +193,9 @@ Launch the portal:
 repertory -ui
 ```
 
+### ⚠️ Security tip
+
+- Change the default UI credentials on first launch (`ui.json`) or via the portal
 - Default username: `repertory`
 - Default password: `repertory`
 
@@ -247,13 +250,13 @@ repertory -rm 192.168.0.1:10000 --unmount
 #### S3
 
 ``` shell
-repertory --name '<my config name>' --unmount
+repertory -s3 --name '<my config name>' --unmount
 ```
 
 ### Sia
 
 ``` shell
-repertory -s3 --name '<my config name>' --unmount
+repertory --name '<my config name>' --unmount
 ```
 
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