diff --git a/opencpu-server/sites-available/rstudio.conf b/opencpu-server/sites-available/rstudio.conf
index 68280fc3..86052a42 100644
--- a/opencpu-server/sites-available/rstudio.conf
+++ b/opencpu-server/sites-available/rstudio.conf
@@ -2,7 +2,7 @@
 	<Location /rstudio/>
 		ProxyPass http://127.0.0.1:8787/
 		ProxyPassReverse http://127.0.0.1:8787/
-		ErrorDocument 503 "<h1>Rstudio server unavailable</h1> Verify that: <ul><li><tt>sudo apt-get install rstudio-server</tt></li><li><tt>sudo rstudio-server start</tt></li>
+		ErrorDocument 503 "<h1>Rstudio server unavailable</h1> Verify that RStudio is installed and started. For further information see: https://www.rstudio.com/products/rstudio/#Server"
 	</Location>
 
 	# redirect to add trailling slash