diff --git a/lib/obp60task/OBP60Hardware.h b/lib/obp60task/OBP60Hardware.h
index 66b8cd0..6cdf054 100644
--- a/lib/obp60task/OBP60Hardware.h
+++ b/lib/obp60task/OBP60Hardware.h
@@ -12,7 +12,7 @@
     // BME280
     #define BME280_I2C_ADDR 0x76    // Addr. 0x76 (0x77)
     // BMP280
-    #define BMP280_I2C_ADDR 0x77    // Addr. 0x76 (0x77)
+    #define BMP280_I2C_ADDR 0x77    // Addr. 0x77 (0x76) Attention: Pull up resistor
     // BMP085 / BMP180
     #define BMP180_I2C_ADDR 0x77    // Addr. 0x77 (fix)
     // SHT21 / HUT21
@@ -63,7 +63,7 @@
     #define TP3 12
     #define TP4 11
     #define TP5 10
-    #define TP6 9               // Right ouside
+    #define TP6 9               // Right outside
 
     // Flash LED (1x WS2812B)
     #define NUM_FLASH_LED 1         // Number of flash LED
diff --git a/lib/obp60task/OBPSensorTask.cpp b/lib/obp60task/OBPSensorTask.cpp
index 450b501..087d53b 100644
--- a/lib/obp60task/OBPSensorTask.cpp
+++ b/lib/obp60task/OBPSensorTask.cpp
@@ -322,7 +322,7 @@ void sensorTask(void *param){
     double voffset = (api->getConfig()->getConfigItem(api->getConfig()->vOffset,true)->asString()).toFloat();
     double vslope = (api->getConfig()->getConfigItem(api->getConfig()->vSlope,true)->asString()).toFloat();
 
-    long starttime0 = millis();     // GPS update all 1s
+    long starttime0 = millis();     // GPS update all 100ms
     long starttime5 = millis();     // Voltage update all 1s
     long starttime6 = millis();     // Environment sensor update all 1s
     long starttime7 = millis();     // Rotation sensor update all 500ms
@@ -341,10 +341,10 @@ void sensorTask(void *param){
         delay(100);                 // Loop time 100ms
         Timer1.update();            // Update for Timer1
         Timer2.update();            // Update for Timer2
-        if (millis() > starttime0 + 1000)
+        if (millis() > starttime0 + 100)
         {
             starttime0 = millis();
-            // Send NMEA0183 GPS data on several bus systems all 1000ms
+            // Send NMEA0183 GPS data on several bus systems all 100ms
             if (gps_ready == true)
             {
                 SNMEA0183Msg NMEA0183Msg;
diff --git a/lib/obp60task/obp60task.cpp b/lib/obp60task/obp60task.cpp
index 4a16d91..9c4096f 100644
--- a/lib/obp60task/obp60task.cpp
+++ b/lib/obp60task/obp60task.cpp
@@ -497,7 +497,7 @@ void OBP60Task(GwApi *api){
                 delayedDisplayUpdate = false;
             }
 
-            // Subtask E-Ink full refresh all 1 min for the first 5min after power on or restart
+            // Subtask E-Ink full refresh all 1 min for the first 5 min after power on or restart
             // This needs for a better display contrast after power on in cold or warm environments
             if(millis() < firststart + (5 * 60 * 1000) && millis() > starttime1 + (60 * 1000)){
                 starttime1 = millis();