diff --git a/custom_50x/readme.MD b/custom_50x/readme.MD
index f831493..a6c1782 100644
--- a/custom_50x/readme.MD
+++ b/custom_50x/readme.MD
@@ -4,4 +4,4 @@ When the main solarcene.community server is offline a custom 50x html error page
 
 ## Design
 
-The `write_html()` function grabs the latest solar data (from the vedirect serial connection to the Victron SmartSolar MPPT Charger) which are stored in the redis database. It then simply overwrites the custom file with hardcoded html. I've got a scheduler that just runs this job every 10 minutes 
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+In the `solar_monitor.py` script the `write_html()` function grabs the latest solar data (from the vedirect serial connection to the Victron SmartSolar MPPT Charger) which are stored in the redis database. It then simply overwrites the custom file with hardcoded html. I've got a scheduler that just runs this job every 10 minutes 
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