diff --git a/faq/runs.rst b/faq/runs.rst
index c3c0240..356754c 100644
--- a/faq/runs.rst
+++ b/faq/runs.rst
@@ -161,7 +161,7 @@ The Problem
 Submitted files content has not been validated. There are two possible reasons for this happening:
 
 - There was a delay during the processing of your run files causing the error to be reported
-- The content of the read file submission does not meet our validation standard
+- The content of the read file submission does not meet our validation standard (e.g. empty file with zero reads)
 
 
 The Solution