diff --git a/README.md b/README.md
index e174a2931f76c842d629c944148ff1357fb93c19..84165e45683c48074b19fa3033a032eb4ca7c830 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
-# Additions during and by workgroup of pervasive computing
+# Additions by pervasive computing workgroup
+
 
 ## Time Tracking
 
diff --git a/ampel-firmware/mqtt.cpp b/ampel-firmware/mqtt.cpp
index ddb10848f6a13d8638bdffaa8c4a2c8c2e95accb..80a7f5bbc5659311b219243c9c3e9879c6cb028c 100644
--- a/ampel-firmware/mqtt.cpp
+++ b/ampel-firmware/mqtt.cpp
@@ -39,7 +39,7 @@ namespace mqtt {
 
   void initialize(const char *sensorId) {
     json_sensor_format = PSTR("{\"time\":\"%s\", \"co2\":%d, \"temp\":%.1f, \"rh\":%.1f}");
-    snprintf(publish_topic, sizeof(publish_topic), "%s%s", config::mqtt_topic_prefix, sensorId);
+    snprintf(publish_topic, sizeof(publish_topic), "%s%s", config::mqtt_topic_prefix, sensorId); //TODO
 
     if (config::mqtt_encryption) {
       // The sensor doesn't check the fingerprint of the MQTT broker, because otherwise this fingerprint should be updated