diff --git a/README.md b/README.md
index 3974372..da1b541 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ The app depends on the following libraries. They must either be downloaded from
 
 Download the app code from GitHub using the green Clone or Download button from [the GitHub project main page](https://github.com/jasoncoon/esp8266-fastled-webserver) and click Download ZIP. Decompress the ZIP file in your Arduino sketch folder.
 
-The web app needs to be uploaded to the ESP8266's SPIFFS.  You can do this within the Arduino IDE after installing the [Arduino ESP8266FS tool](https://github.com/esp8266/Arduino/blob/master/doc/filesystem.md#uploading-files-to-file-system).
+The web app needs to be uploaded to the ESP8266's SPIFFS.  You can do this within the Arduino IDE after installing the [Arduino ESP8266FS tool](http://esp8266.github.io/Arduino/versions/2.3.0/doc/filesystem.html#uploading-files-to-file-system).
 
 With ESP8266FS installed upload the web app using `ESP8266 Sketch Data Upload` command in the Arduino Tools menu.