diff --git a/README.md b/README.md
index d2c48bc..a728fbe 100644
--- a/README.md
+++ b/README.md
@@ -37,3 +37,13 @@ https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers
 -bordje connecteren en in devices checken of driver er is anders cp210x driver van silicon lans installeren.
 
 -dan in platformio.ini upload_port en flags commenten. zoek port dan automatisch
+
+## 4MB or 16MB
+
+board = esp32thing
+board_build.partitions = default.csv
+
+If you have a 16MB TTGO T-Display board, you can change the env settings in the platformio.ini file.
+board = esp32thing_plus
+board_build.partitions = default_16MB.csv
+
diff --git a/operame.ino b/operame.ino
index faf04ed..0294315 100644
--- a/operame.ino
+++ b/operame.ino
@@ -183,7 +183,7 @@ void display_ppm_t_h(int ppm, float t, float h) {
         std::swap(fg, bg);
     }
 
-    display_3(String(ppm), String(t), String(h), fg, bg);
+    display_3(String(ppm), String(int(t)) + String("`C"), String(int(h)) + String("%"), fg, bg);
 }
 
 void calibrate() {