Add reminder that OMV only works on Debian

docs/download.md

@@ -22,6 +22,8 @@ All images are generated by [Armbian](https://www.armbian.com/) community.
     Size : 350 MB<br>*
     [Direct Download](https://dl.armbian.com/helios64/archive/Armbian_20.08.3_Helios64_focal_current_5.8.7.img.xz)
 
+!!! info
+    OMV (OpenMediaVault) is only supported on Debian OS.
 
 ### Known Limitations
 
@@ -55,6 +57,8 @@ Filename | Download | SHA256
     Size : 286 MB<br>*
     [Direct Download](https://dl.armbian.com/helios4/archive/Armbian_20.08_Helios4_focal_current_5.4.58.img.xz)
 
+!!! info
+    OMV (OpenMediaVault) is only supported on Debian OS.
 
 ### Known Limitations
 

docs/helios64/install.md

@@ -28,6 +28,9 @@ You will need first to download an image to write on the microSD Card.
 
 Go to [Dowload](/helios64/download) and chose one of the latest build.
 
+!!! info
+    OMV (OpenMediaVault) is only supported on Debian OS.
+
 ##  **Step 2** - Writing an image to a microSD Card
 
 You will need to use an image writing tool to install on your microSD Card the image build you have downloaded.

mkdocs.yml

@@ -95,7 +95,7 @@ nav:
     - SATA: 'helios64/sata.md'
     - SPI: 'helios64/spi.md'
     - UEXT: 'helios64/uext.md'
-    - UPS: 'helios64/ups.md'
+    - UPS Battery: 'helios64/ups.md'
     - USB: 'helios64/usb.md'
   - Documents: 'helios64/docs.md'
 - Helios4: