diff --git a/esphome/esp-mainhallwaylights1.yaml b/esphome/esp-mainhallwaylights1.yaml
index 0a77559..5b8b800 100644
--- a/esphome/esp-mainhallwaylights1.yaml
+++ b/esphome/esp-mainhallwaylights1.yaml
@@ -1,30 +1,39 @@
 #:########################################################################################:#
 # TITLE: MAIN HALLWAY LIGHTSWITCH 1 (BK7231N)
-# zorruno.com layout
+# zorruno.com layout v1.1 2026
 #:########################################################################################:#
 # REPO:
-# 
+# https://home.fox.co.nz/gitea/zorruno/zorruno-homeassistant/src/branch/master/esphome/esp-mainhallwaylights1.yaml
 #:########################################################################################:#
 # VERSIONS:
+# V1.1 2026-04-03 Updated yaml to zorruno layout V1.1; corrected KS-811 single naming and operation notes; updated BK7231N single-switch pin mapping
 # V1.0 2026-04-03 Initial
 #:########################################################################################:#
 # HARDWARE:
 # - Zemismart KS-811 Single push button
 # - BK7231N based switch
 # - BK72XX board: generic-bk7231n-qfn32-tuya
-# - pinout/schematic:
-#   https://community.home-assistant.io/t/zemismart-ks-811-working-with-esphome/
+# - BK7231N single-switch pin mapping checked against KS-811 BK references
 #:########################################################################################:#
 # OPERATION NOTES:
-# - Main bathroom switch with 1 output:
+# - Main hallway switch with 1 output:
 #   1) Main Hallway Lights
-# 
+# - A single press of the physical button toggles Relay 1 ON/OFF
+# - Status LED uses P22
 #:########################################################################################:#
 # MQTT COMMANDS:
-# - 
+# - None
 #:########################################################################################:#
 # OFFLINE NOTES:
-# 
+# - a) Home Assistant offline (network and MQTT online):
+#      - Device remains on WiFi and MQTT
+#      - Physical button still toggles relay locally
+# - b) MQTT offline (or Home Assistant and MQTT offline):
+#      - Physical button still toggles relay locally
+#      - Remote control/state sync is unavailable until MQTT returns
+# - c) Entire WiFi/network offline:
+#      - Physical button still toggles relay locally
+#      - Accurate time is not needed; SNTP is not used
 #:########################################################################################:#
 
 #:########################################################################################:#
@@ -35,12 +44,12 @@ substitutions:
   # Device Naming
   device_name: "esp-mainhallwaylights1"
   friendly_name: "Main Hallway Lightswitch (1)"
-  description_comment: "BK7231N - Main Hallway Lightswitch using a Zemismart KS-811 Single Push Button. Main Hallway Lights (1)"
+  description_comment: "BK7231N - Main Hallway Lightswitch using a Zemismart KS-811 Single Push Button. Main Hallway Lights (1) (Layout V1.1)"
   device_area: "Main Hallway" # Allows ESP device to be automatically linked to an 'Area' in Home Assistant.
 
   # Project Naming
-  project_name: "Zemismart Technologies.KS-811 Triple BK7231N" # Project Details
-  project_version: "v1.0"  # Project V denotes release of yaml file, allowing checking of deployed vs latest version
+  project_name: "Zemismart Technologies.KS-811 Single BK7231N" # Project Details
+  project_version: "v1.1"  # Project V denotes release of yaml file, allowing checking of deployed vs latest version
 
   # Passwords
   api_key: !secret esp-api_key # unfortunately you can't use substitutions inside secrets names
@@ -126,10 +135,6 @@ esphome:
   project:
     name: "${project_name}"
     version: "${project_version}"
-#  on_boot:
-#    priority: 200
-#    then:
-#      - switch.turn_on: Relay_3
 
 #:########################################################################################:#
 # BUILD FOR BK CHIPSET:
@@ -154,7 +159,7 @@ logger:
 #:########################################################################################:#
 status_led:
   pin:
-    number: P22 #GPIO22
+    number: P22 # GPIO22
     inverted: true
 
 #:########################################################################################:#
@@ -163,17 +168,18 @@ status_led:
 #:########################################################################################:#
 binary_sensor:
   - platform: gpio
+    id: button_1
+    internal: true
     pin:
-      number: P17
+      number: P24 # GPIO24
       mode:
         input: true
         pullup: true
       inverted: true
-    name: "Button 1: ${switch_1_name}"
+    filters:
+      - delayed_on: 20ms
     on_press:
-      - delay: 50ms
-      - switch.toggle: Relay_1 
-
+      - switch.toggle: Relay_1
 
 #:########################################################################################:#
 # SWITCH COMPONENT:
@@ -182,6 +188,6 @@ binary_sensor:
 switch:
   - platform: gpio
     name: "Relay 1: ${switch_1_name}"
-    pin: P14 #GPIO14
+    pin: P16 # GPIO16
     id: Relay_1
-    restore_mode: ${relay_restore_mode}
+    restore_mode: ${relay_restore_mode}
\ No newline at end of file