diff --git a/README.md b/README.md
index 501c02aa..6c781bbf 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ In particular:
 * `doc/hoymiles-format-description.txt` is a detailed description of the communications format and the history of this project
 * `doc/getting-started-ESP8266.md` shows the hardware setup for an ESP8266-based system
 * The `tools` folder contains various software tools for RaspberryPi, Arduino and ESP8266/ESP32:
-  * A [version for ESP8266](esp8266) that includes a web interface
+  * A [version for ESP8266](tools/esp8266) that includes a web interface
   * A [version for Arduino Nano](tools/nano/NRF24_SendRcv)
   * An [alternative Version of the above](tools/NRF24_SendRcv)
   * A [different implementation](tools/HoyDtuSim)