diff --git a/doc/Hardware.md b/doc/Hardware.md
index 7e23c9e..f7b15b5 100644
--- a/doc/Hardware.md
+++ b/doc/Hardware.md
@@ -79,7 +79,7 @@ Can be used e.g. as an NMEA2000 Adapter for a laptop running e.g. OpenCPN with t
 ![OpenCPN on Laptop via USB and MFD on Android via WiFi](in_action1.jpg) 
 ![OpenCPN on Laptop via USB and AvNav on Android via WiFi](in_action2.jpg)
 
-M5 Stack AtomS3Lite Canunit (experimental since dev20230826)
+M5 Stack AtomS3Lite Canunit 
 ---------------------
 * Hardware: [M5_ATOMS3 Lite](http://docs.m5stack.com/en/core/AtomS3%20Lite) + [CAN Unit](http://docs.m5stack.com/en/unit/can)
 * Prebuild Binary: m5stack-atoms3-canunit-all.bin
diff --git a/webinstall/build.yaml b/webinstall/build.yaml
index 17ecd60..569c95c 100644
--- a/webinstall/build.yaml
+++ b/webinstall/build.yaml
@@ -149,8 +149,7 @@ types:
         resource: serial
       - label: "RS232/RS422"
         value: SERIAL_GROOVE_232#grv#
-        description: "Generic RS232/RS422 Unit"
-        url: "https://github.com/oxbown/esp32-nmea2000/tree/master/doc"
+        description: "Generic RS232/RS422 Unit (bidirectional)"
         resource: serial
 
   - &m5groove