diff --git a/src/display.cpp b/src/display.cpp
index 05a11c8..84061f4 100644
--- a/src/display.cpp
+++ b/src/display.cpp
@@ -50,8 +50,8 @@ void display_setup(bool set_show_temp_outside, char lang[2]) {
     set_display_language(lang);
 }
 
-void display_globals(float temperature_outside) {
-    temperature_outside = temperature_outside;
+void display_temp_outside(float mqtt_temp_outside) {
+    temperature_outside = mqtt_temp_outside;
 }
 
 void display_begin() {
@@ -107,10 +107,11 @@ void display_header(char* TEXT) {
     display.setFont(u8g2_font_6x10_tr);
     display.drawStr(2,7,TEXT);
     display.drawLine(0, 8, 128, 8);
-    display.drawLine(100, 0, 100, 8);
+    display.drawLine(94, 0, 94, 8);
+    display.drawLine(62, 0, 62, 8);
     if (show_temp_outside)
     {
-        display.setCursor(70,7); display.print(temperature_outside,1);
+        display.setCursor(70,7); display.print(temperature_outside,1); display.print("C");
     }
     
 }
diff --git a/src/display.h b/src/display.h
index 78e0569..41b01a0 100644
--- a/src/display.h
+++ b/src/display.h
@@ -23,7 +23,7 @@
 ; THE SOFTWARE.
 */
 void display_setup(bool set_show_temp_outside,char lang[2]);
-void display_globals(float temperature_outside);
+void display_temp_outside(float temperature_outside);
 void display_begin();
 void display_init(char* VERSION);
 void display_logo();
diff --git a/src/lang.cpp b/src/lang.cpp
index 543890d..41463c2 100644
--- a/src/lang.cpp
+++ b/src/lang.cpp
@@ -37,6 +37,6 @@ void set_display_language(char lang[2])
     {
         title_pv = (char*)"PV modules";
         title_battery = (char*)"Battery";
-        title_grid = (char*)"Grid overview";
+        title_grid = (char*)"Grid";
     }
 }
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index f9b3801..4570e7c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -60,7 +60,7 @@ char address_grid_meter[6] = "";
 char address_inverter[6] = "";
 char address_battery[6] = "";
 char address_outside_temperature[6] = "";
-char display_lang[2] = "";
+char display_lang[6] = "";
 long unsigned int DISPLAY_REFRESH_INTERVAL; 
 long unsigned int DISPLAY_SCREEN_INTERVAL;
 
@@ -207,7 +207,7 @@ void callback(char* topic, byte* message, unsigned int length) {
   if (String(topic) == mqtt_temp_outside) {
     DynamicJsonDocument json(512);
     deserializeJson(json, messageTemp);
-    display_globals(json["value"]);
+    display_temp_outside(json["value"]);
   }
 
   //System - AC Load Phase 1
@@ -353,7 +353,7 @@ void setup() {
   WiFiManagerParameter custom_address_inverter("address_inverter", "Address of vebus inverter", address_inverter, 6);
   WiFiManagerParameter custom_address_battery("address_battery", "Address of can battery", address_battery, 6);
   WiFiManagerParameter custom_address_outside_temperature("address_outside_temperature", "Address of outside temperature", address_outside_temperature, 6);
-  WiFiManagerParameter custom_display_lang("display_lang", "Display language en, de", display_lang, 2);
+  WiFiManagerParameter custom_display_lang("display_lang", "Display language en, de", display_lang, 6);
   WiFiManager wm;
 
   wm.setSaveConfigCallback(saveConfigCallback);