diff --git a/cubesatsim/esp32-cam-send-jpeg-serial/readme.MD b/cubesatsim/esp32-cam-send-jpeg-serial/readme.MD
index 7a7e2757..516b1704 100644
--- a/cubesatsim/esp32-cam-send-jpeg-serial/readme.MD
+++ b/cubesatsim/esp32-cam-send-jpeg-serial/readme.MD
@@ -10,5 +10,12 @@ Open the Serial Monitor at 115200 bps
 
 The red LED on the back of the camera will flash once when it takes a photo and flashes twice when it sends it over the serial port
 
+Note: when you install the TJpg_Decoder library, you need to manually edit the libraries/TJpeg_Decoder/src/User_Config.h file and comment out this line:
 
+#define TJPGD_LOAD_SD_LIBRARY
 
+So that it is:
+
+//#define TJPGD_LOAD_SD_LIBRARY
+
+Otherwise, you will get an error about LittleFS when you try to compile.