diff --git a/source/_integrations/rfxtrx.markdown b/source/_integrations/rfxtrx.markdown
index e8efb4e5eaf..0f5c0bc8825 100644
--- a/source/_integrations/rfxtrx.markdown
+++ b/source/_integrations/rfxtrx.markdown
@@ -40,6 +40,8 @@ logger:
     RFXtrx: debug
 ```
 
+**Please note**: `RFXtrx` is case-sensitive.
+
 ## Supported protocols
 
 Not all protocols as advertised are enabled on the initial setup of your transceiver. Enabling all protocols is not recommended either. Your 433.92 product not showing in the logs? Visit the RFXtrx website to [download RFXmgmr](http://www.rfxcom.com/epages/78165469.sf/en_GB/?ViewObjectPath=%2FShops%2F78165469%2FCategories%2FDownloads) and enable the required protocol.