diff --git a/README.md b/README.md
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+++ b/README.md
@@ -53,6 +53,7 @@ Firmware version seems to play not a significant role and cannot be read from th
 * Prometheus API endpoint (/api/prometheus/metrics)
 * English, german and french web interface
 * Displays (SSD1306, SH1106, PCD8544)
+* Dark Theme
 
 ## Features for developers
 * The microcontroller part