diff --git a/firmware/src/config.ino b/firmware/src/config.ino
index eef9633..0995272 100644
--- a/firmware/src/config.ino
+++ b/firmware/src/config.ino
@@ -65,7 +65,7 @@ static void config (char c) {
         break;
 
       case 'v': // print firmware version
-        Serial.print(F("[emonTx FW: V")); Serial.print(version*0.1); Serial.print(F("]"));
+        Serial.print(F("[emonTH FW: V")); Serial.print(version*0.1); Serial.print(F("]"));
         break;
       
       default:
@@ -120,4 +120,4 @@ static void showString (PGM_P s) {
       Serial.print('\r');
     Serial.print(c);
   }
-}
\ No newline at end of file
+}