diff --git a/.github/.wordlist.txt b/.github/.wordlist.txt
index 2136de4b058c49..8b01df23ae04c0 100644
--- a/.github/.wordlist.txt
+++ b/.github/.wordlist.txt
@@ -176,6 +176,7 @@ CCMP
 CCS
 CCSTUDIO
 CCXML
+CDEEDC
 CDVersionNumber
 ced
 cfg
@@ -342,6 +343,7 @@ detokenizer
 dev
 devcontainer
 devCtrl
+DevelopmentCerts
 DeviceAttestationCredsExample
 DeviceCaCerts
 DeviceCert
@@ -477,6 +479,7 @@ FC
 FDDE
 fddead
 fde
+fdx
 FECA
 FecalColiformAndEColiConcentrationMeasurement
 feff
@@ -650,6 +653,7 @@ kAdminister
 kBusy
 kCase
 Kconfig
+kDacPublicKey
 KeypadInput
 keyset
 kGroup
@@ -1252,7 +1256,7 @@ TXD
 txt
 uargument
 UART
-udc
+UDC
 udcport
 udhcpc
 UDP
@@ -1279,6 +1283,7 @@ ureverse
 URI
 urlrequest
 usbmodem
+usbserial
 USBtoUART
 uscif
 UserConsentNeeded
diff --git a/examples/all-clusters-app/esp32/README.md b/examples/all-clusters-app/esp32/README.md
index 8c912676dbc201..f6e062ce40982a 100644
--- a/examples/all-clusters-app/esp32/README.md
+++ b/examples/all-clusters-app/esp32/README.md
@@ -51,6 +51,18 @@ step. To install these components manually, follow these steps:
           $ git checkout v4.4
           $ git submodule update --init
           $ ./install.sh
+          $ . ./export.sh
+
+    To update an existing esp-idf toolchain to v4.4:
+
+          $ cd ~/tools/esp-idf
+          $ git fetch origin
+          $ git checkout v4.4
+          $ git reset --hard origin/v4.4
+          $ git submodule update --init
+          $ git clean -fdx
+          $ ./install.sh
+          $ . ./export.sh
 
 -   Install ninja-build
 
@@ -112,10 +124,11 @@ that are currently supported include `ESP32-DevKitC` (default),
 -   After building the application, to flash it outside of VSCode, connect your
     device via USB. Then run the following command to flash the demo application
     onto the device and then monitor its output. If necessary, replace
-    `/dev/tty.SLAB_USBtoUART`(MacOS) with the correct USB device name for your
-    system(like `/dev/ttyUSB0` on Linux). Note that sometimes you might have to
-    press and hold the `boot` button on the device while it's trying to connect
-    before flashing. For ESP32-DevKitC devices this is labeled in the
+    `/dev/tty.SLAB_USBtoUART` with the correct USB device name for your system
+    (like `/dev/ttyUSB0` on Linux or `/dev/tty.usbserial-01CDEEDC` on Mac). Note
+    that sometimes you might have to press and hold the `boot` button on the
+    device while it's trying to connect before flashing. For ESP32-DevKitC
+    devices this is labeled in the
     [functional description diagram](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/hw-reference/esp32/get-started-devkitc.html#functional-description).
 
           $ idf.py -p /dev/tty.SLAB_USBtoUART flash monitor
@@ -148,6 +161,12 @@ menuconfig).
 
 `idf.py menuconfig -> Component config -> CHIP Device Layer -> WiFi Station Options`
 
+NOTE: to avoid build error
+`undefined reference to 'chip::DevelopmentCerts::kDacPublicKey'`, set VID to
+0xFFF1 and PID in range 0x8000..0x8005.
+
+`idf.py menuconfig -> Component config -> CHIP Device Layer -> Device Identification Options`
+
 2.  Now flash the device with the same command as before. (Use the right `/dev`
     device)