diff --git a/tes/templates/appparams.html.j2 b/tes/templates/appparams.html.j2
index 81853c3df7db34c648aa7ffb8cc6dd2bed718a14..a5e8af939b38d80343e7da673bafca693494fc36 100644
--- a/tes/templates/appparams.html.j2
+++ b/tes/templates/appparams.html.j2
@@ -3,6 +3,9 @@
 <p>
 We attempted to ask the HPC systems about the program you were running, but didn't get a sensible answer
 </p>
+<p>
+Sometimes this happens if you click "connect" very soon after the program has started. Its worthwhile closing this window and clicking connect again.
+</p>
 {% if data %}
 <p>
 The only thing we got was: