README updates

README.md

@@ -47,15 +47,7 @@ Themes working in **web-greeter** should work also here. All themes shipped with
 
 ### Common dependencies
 
-- lightdm (as obvious)
-- gobject-introspection
-- liblightdm-gobject
-- liblightdm-gobject-dev
-- libgirepository1.0-dev
-- libcairo2
-- libcairo2-dev
-- libxcb-dev
-- libx11-dev
+`lightdm gobject-introspection liblightdm-gobject-1-0 liblightdm-gobject-dev libgirepository1.0-dev libcairo2 libcairo2-dev libxcb1-dev libx11-dev`
 
 ## Installation
 
@@ -76,6 +68,13 @@ Also, you can package `build/unpacked` to whatever you want, like **.deb** with:
 dpkg-deb --root-owner-group --build unpacked
 ```
 
+> [!NOTE]
+> For Debian systems:
+>
+> 1. Copy build/DEBIAN/ to build/unpacked
+> 2. In the control file, replace the liblightdm-gobject-1-dev dependency with liblightdm-gobject-dev.
+>    the liblightdm-gobject-1-dev package only exists in Ubuntu, the Debian equivalent is liblightdm-gobject-dev.
+
 ### Setting up with LightDM
 
 Inside `/etc/lightdm/lightdm.conf`, below a Seat configuration, add:
@@ -89,6 +88,12 @@ Afterwards, restart the lightdm service.
 > [!CAUTION]
 > Be sure that nody-greeter works before restarting lightdm
 
+### Installing Themes
+
+All themes must be installed at `/usr/share/web-greeter/themes/`
+
+View community themes: https://web-greeter-page.vercel.app/themes
+
 ## Theme JavaScript API
 
 To create themes for nody-greeter and web-greeter, check the documentation available at [web-greeter-docs][web-greeter-docs].
@@ -136,7 +141,7 @@ Check `nody-greeter --help` for more commands.
 
 ### node-gyp fails on `npm run rebuild`
 
-> Supported Node.js versions: 16, 18 (other versions should work but are untested)
+> Supported Node.js versions: 16, 18, 20, 22.
 
 ### Issues with distutils