Add more disclaimers about the auto options

mpvpaper.man

@@ -124,6 +124,11 @@ This is the magic behind the automagic pause/stop options.
 Whatever "hidden" means is up to compositor. As for Sway, "hidden" is if there is a fullscreen window
 in the way of the wallpaper. mpvpaper will still draw/render even if there is a normal window
 blocking the wallpaper view entirely.
+.P
+This feature is at best a hack that works on some compositors.
+Usability of these auto options will vary and may not work as intended or at all.
+In such a case, other features like the "watch lists" mentioned above should be used instead.
+
 .RE
 
 **More on lists:

src/main.c

@@ -921,7 +921,8 @@ static void parse_command_line(int argc, char **argv, struct wl_state *state) {
         "--layer        -l LAYER        Specifies shell surface layer to run on (background by default)\n"
         "--mpv-options  -o \"OPTIONS\"    Forwards mpv options (Must be within quotes\"\")\n"
         "\n"
-        "* See man page for more details\n";
+        "* The auto options might not work as intended\n"
+        "See the man page for more details\n";
 
     char *layer_name;