diff --git a/docs/en/troubleshooting.rst b/docs/en/troubleshooting.rst
index b80b50203db..a86e018e30d 100644
--- a/docs/en/troubleshooting.rst
+++ b/docs/en/troubleshooting.rst
@@ -214,6 +214,8 @@ With this knowledge find your module in the table and note what is written in th
 - For QSPI go to Tools > PSRAM > QSPI PSRAM
 - For OPI go to Tools > PSRAM > OPI PSRAM
 
+For M5UnitCamS3, make sure to select the board as "M5UnitCamS3" in the Arduino IDE and set the PSRAM option to "OPI PSRAM". This will help avoid compatibility issues.
+
 Note that WROOM-2 has always OPI.
 
 +---------+--------+------------+-------+