minor change to install.md

docs/install.md

@@ -429,7 +429,7 @@ The `genpwd` tools, located in `PREFIX/nexus-server/bin/`, can be used to obtain
    ```
 1. Install the required dependencies:
    ```sh
-   sudo apt-get install -y meson ninja-build gtk+-3.0 libsystemd-dev
+   sudo apt-get install -y meson ninja-build gtk+-3.0 libxml2-dev libsystemd-dev
    ```
 1. Build remote-viewer (here in local directory `tmp`)
    ```sh