docs: Clarify environment variables (#1072)

readme.md

@@ -146,7 +146,9 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
 
 ### How do I share files with the host?
 
-  Open 'File Explorer' and click on the 'Network' section, you will see a computer called `host.lan`. Double-click it and it will show a folder called `Data`, which can be bound to any folder on your host via the compose file:
+  Open 'File Explorer' and click on the 'Network' section, you will see a computer called `host.lan`.
+  
+  Double-click it and it will show a folder called `Data`, which can be bound to any folder on your host via the compose file:
 
   ```yaml
   volumes:
@@ -160,7 +162,7 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
 
 ### How do I install a custom image?
 
-  In order to download an unsupported ISO image that is not selectable from the list above, specify the URL of that ISO in the `VERSION` environment variable, for example:
+  In order to download an unsupported ISO image, specify its URL in the `VERSION` environment variable:
   
   ```yaml
   environment:
@@ -174,7 +176,7 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
     - /home/user/example.iso:/custom.iso
   ```
 
-  Replace the example path `/home/user/example.iso` with the filename of your desired ISO file, the value of `VERSION` will be ignored in this case.
+  Replace the example path `/home/user/example.iso` with the filename of your desired ISO file. The value of `VERSION` will be ignored in this case.
 
 ### How do I run a script after installation?
 
@@ -214,9 +216,9 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
 
 ### How do I configure the username and password?
 
-  By default, a user called `Docker` is created during the installation, with an empty password.
+  By default, a user called `Docker` (with an empty password) is created during installation.
 
-  If you want to use different credentials, you can change them in your compose file:
+  If you want to use different credentials, you can configure them (only BEFORE installation) in your compose file:
 
   ```yaml
   environment:
@@ -226,7 +228,9 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
 
 ### How do I select the Windows language?
 
-  By default, the English version of Windows will be downloaded. But you can add the `LANGUAGE` environment variable to your compose file, in order to specify an alternative language:
+  By default, the English version of Windows will be downloaded.
+  
+  But before installation you can add the `LANGUAGE` environment variable to your compose file, in order to specify an alternative language:
 
   ```yaml
   environment:
@@ -237,7 +241,7 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
 
 ### How do I select the keyboard layout?
 
-  If you want to use a keyboard layout or locale that is not the default for your selected language, you can add the `KEYBOARD` and `REGION` variables with a culture code, like this:
+  If you want to use a keyboard layout or locale that is not the default for your selected language, before installation you can add  `KEYBOARD` and `REGION` variables like this:
 
   ```yaml
   environment:
@@ -245,10 +249,6 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
     KEYBOARD: "en-US"
   ```
 
-> [!NOTE]  
->  Changing these values will have no effect after the installation has been performed already. Use the control panel inside Windows in that case.
->
-
 ### How do I connect using RDP?
 
   The web-viewer is mainly meant to be used during installation, as its picture quality is low, and it has no audio or clipboard for example.
@@ -298,7 +298,7 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
 
   After configuring the container for [macvlan](#how-do-i-assign-an-individual-ip-address-to-the-container), it is possible for Windows to become part of your home network by requesting an IP from your router, just like a real PC.
 
-  To enable this mode, add the following lines to your compose file:
+  To enable this mode, in which the container and Windows will have separate IP addresses, add the following lines to your compose file:
 
   ```yaml
   environment:
@@ -309,9 +309,6 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
     - 'c *:* rwm'
   ```
 
-> [!NOTE]  
-> In this mode, the container and Windows will each have their own separate IPs.
-
 ### How do I add multiple disks?
 
   To create additional disks, modify your compose file like this:
@@ -348,8 +345,7 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/windows/refs/heads/mas
     - /dev/bus/usb
   ```
 
-> [!IMPORTANT]
-> If the device is a USB disk drive, please wait until after the installation is completed before connecting it. Otherwise the installation may fail, as the order of the disks can get rearranged.
+  If the device is a USB disk drive, please wait until after the installation is fully completed before connecting it. Otherwise the installation may fail, as the order of the disks can get rearranged.
 
 ### How do I verify if my system supports KVM?