diff --git a/lib/Romi32U4Motors/src/Romi32U4MotorTemplate.h b/lib/Romi32U4Motors/src/Romi32U4MotorTemplate.h
index 781b0a4..9bdfdb3 100644
--- a/lib/Romi32U4Motors/src/Romi32U4MotorTemplate.h
+++ b/lib/Romi32U4Motors/src/Romi32U4MotorTemplate.h
@@ -137,12 +137,13 @@ protected:
 
             if(debug)
             {            
+                Serial.print("target:");
                 Serial.print(targetSpeed);
-                Serial.print('\t');
+                Serial.print("\tspeed:");
                 Serial.print(speed);
-                Serial.print('\t');
+                Serial.print("\terror:");
                 Serial.print(error);
-                Serial.print('\t');
+                Serial.print("\teffort:");
                 Serial.print(effort / 10.0); // N.B. that we divide by 10 to make the graph cleaner
                 Serial.print('\n');
             }