diff --git a/Joplin_install_and_update.sh b/Joplin_install_and_update.sh
index a1745ee358..cffef34372 100755
--- a/Joplin_install_and_update.sh
+++ b/Joplin_install_and_update.sh
@@ -263,7 +263,8 @@ StartupWMClass=Joplin
 Type=Application
 Categories=Office;
 MimeType=x-scheme-handler/joplin;
-X-GNOME-SingleWindow=true // should be removed eventually as it was upstream to be an XDG specification
+# should be removed eventually as it was upstream to be an XDG specification
+X-GNOME-SingleWindow=true
 SingleMainWindow=true
 EOF