diff --git a/dc/hbj11/flasher/README.md b/dc/hbj11/flasher/README.md
index b6a69e7e..ae9f8b51 100644
--- a/dc/hbj11/flasher/README.md
+++ b/dc/hbj11/flasher/README.md
@@ -15,6 +15,6 @@ An USB/I2C adapter based on an STM32 Bluepill devboard. See [bluepill](bluepill/
 The Web Interface (WebI2C)
 ---------------------------
 
-A WebUSB-based flashing tool that will run under any Chromium-based browser (eg. Chrome, Edge. See [web](web/) for more information and a link to a publicly available instance.
+A WebUSB-based flashing tool that will run under any Chromium-based browser (eg. Chrome, Edge. See [web](web/) for more information or [start WebI2C now](web/index.html).
 
 ![](../doc/webi2c.png)
diff --git a/dc/hbj11/flasher/web/README.md b/dc/hbj11/flasher/web/README.md
index 73012558..e9f34be6 100644
--- a/dc/hbj11/flasher/web/README.md
+++ b/dc/hbj11/flasher/web/README.md
@@ -6,13 +6,13 @@ A WebUSB interface for flashing I2C EEPROMs, notably the HJB11 FRU EEPROM.
 Usage
 -----
 
-TODO(q3k): host public instance
+[Start WebI2C](index.html). This should work on any browser with WebUSB (eg. Chrome, Chromium, Edge).
 
 Development
 -----------
 
-Plain javascript, bring a static file server, eg. Python's builtin one:
+Plain javascript, bring a static file server, or use hackdoc:
 
-    $ cd hscloud/dc/hjb11/flasher/web/
-    $ python3 -m http.server
+    bazel run //devtools/hackdoc  -- -hspki_disable -docroot ~/hscloud
 
+And visit http://127.0.0.1:8080/dc/hbj11/flasher/web/index.html in your web browser.