diff --git a/flipcontrol_esp32/src/flipdot.cpp b/flipcontrol_esp32/src/flipdot.cpp
index 66a65f9..0bb19cb 100644
--- a/flipcontrol_esp32/src/flipdot.cpp
+++ b/flipcontrol_esp32/src/flipdot.cpp
@@ -144,8 +144,9 @@ bool Flipdot::HBridgeOK() {
 void Flipdot::shiftDataRow() {  //send out all data to shift registers
     
     //select Rows via shift registers on own controller board
-    shiftOutSlow(PIN_SR_DATA, PIN_SR_CLK, LSBFIRST, row&0xff);  //lower byte
-    shiftOutSlow(PIN_SR_DATA, PIN_SR_CLK, LSBFIRST, row>>8);  //LSBFIRST= LSB is QH, bit 8 is QA. //upper byte
+    //LSBFIRST= LSB is QH, bit 8 is QA. //upper byte 
+    shiftOutSlow(PIN_SR_DATA, PIN_SR_CLK, MSBFIRST, row>>8); //MSBFIRST= LSB is QH, bit 8 is QA
+    shiftOutSlow(PIN_SR_DATA, PIN_SR_CLK, MSBFIRST, row&0xff);  //lower byte
     digitalWrite(PIN_SR_LATCH, HIGH);
     delayMicroseconds(MICROS_SHIFT_LATCH);
     digitalWrite(PIN_SR_LATCH, LOW);
@@ -169,7 +170,7 @@ void Flipdot::resetColumns() {
 }
 
 void Flipdot::setRow(uint16_t _row){
-    row=_row;
+    row=_row; //data for one column
 }
 
 uint16_t Flipdot::getRow() {