Merge branch 'bugfix/doc_updates_from_github' into 'master'

Documenation updates from github

See merge request idf/esp-idf!4120

docs/en/get-started-cmake/establish-serial-connection.rst

@@ -67,6 +67,10 @@ The currently logged user should have read and write access the serial port over
 
     sudo usermod -a -G dialout $USER
 
+on Arch Linux this is done by adding the user to ``uucp`` group with the following command::
+
+    sudo usermod -a -G uucp $USER
+
 Make sure you re-login to enable read and write permissions for the serial port. 
 
 

docs/en/get-started-cmake/linux-setup.rst

@@ -73,10 +73,10 @@ ESP32 toolchain for Linux is available for download from Espressif website:
 
         printenv PATH
 
-    You are looking for similar result containing toolchain's path at the end of displayed string::
+    You are looking for similar result containing toolchain's path at the beginning of displayed string::
 
         $ printenv PATH
-        /home/user-name/bin:/home/user-name/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/user-name/esp/xtensa-esp32-elf/bin
+        /home/user-name/esp/xtensa-esp32-elf/bin:/home/user-name/bin:/home/user-name/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
 
     Instead of ``/home/user-name`` there should be a home path specific to your installation.
 

docs/en/get-started/establish-serial-connection.rst

@@ -82,6 +82,10 @@ The currently logged user should have read and write access the serial port over
 
     sudo usermod -a -G dialout $USER
 
+on Arch Linux this is done by adding the user to ``uucp`` group with the following command::
+
+    sudo usermod -a -G uucp $USER
+
 Make sure you re-login to enable read and write permissions for the serial port. 
 
 

docs/en/get-started/linux-setup.rst

@@ -71,10 +71,10 @@ ESP32 toolchain for Linux is available for download from Espressif website:
 
         printenv PATH
 
-    You are looking for similar result containing toolchain's path at the end of displayed string::
+    You are looking for similar result containing toolchain's path at the beginning of displayed string::
 
         $ printenv PATH
-        /home/user-name/bin:/home/user-name/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/user-name/esp/xtensa-esp32-elf/bin
+        /home/user-name/esp/xtensa-esp32-elf/bin:/home/user-name/bin:/home/user-name/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
 
     Instead of ``/home/user-name`` there should be a home path specific to your installation.
 

docs/zh_CN/get-started-cmake/add-idf_path-to-profile.rst

@@ -43,7 +43,7 @@ Linux 和 MacOS 操作系统
 要设置 ``IDF_PATH``，并在 PATH 中添加 ``idf.py``，请将以下两行代码增加至你的 ``~/.profile`` 文件中::
 
     export IDF_PATH=~/esp/esp-idf
-    export PATH="$PATH:$IDF_PATH/tools"
+    export PATH="$IDF_PATH/tools:$PATH"
 
 .. note::
 
@@ -70,6 +70,6 @@ Linux 和 MacOS 操作系统
 如果你不想进行有关 ``IDF_PATH`` 或 ``PATH`` 的修改设置，你可以在每次重启或退出后在终端中手动输入::
 
     export IDF_PATH=~/esp/esp-idf
-    export PATH="$PATH:$IDF_PATH/tools"
+    export PATH="$IDF_PATH/tools:$PATH"
 
 如果你在安装 ESP32 开发的软件时，从 :ref:`get-started-setup-path-cmake` 小节跳到了这里，请返回 :ref:`get-started-start-project-cmake` 小节开始阅读。

docs/zh_CN/get-started-cmake/establish-serial-connection.rst

@@ -67,6 +67,10 @@ MacOS ::
 
     sudo usermod -a -G dialout $USER
 
+在 Arch Linux 中，需要通过以下命令将用户添加到 ``uucp`` 组中::
+
+    sudo usermod -a -G uucp $USER
+
 请重新登录，确保串口读写权限可以生效。
 
 

docs/zh_CN/get-started-cmake/linux-setup.rst

@@ -73,10 +73,10 @@ Linux 版的 ESP32 工具链可以从 Espressif 的网站下载：
 
         printenv PATH
 
-    检查一下字符串的末尾是否包含类似的工具链的路径::
+    检查字符串的开头是否包含类似的工具链路径::
 
         $ printenv PATH
-        /home/user-name/bin:/home/user-name/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/user-name/esp/xtensa-esp32-elf/bin
+        /home/user-name/esp/xtensa-esp32-elf/bin:/home/user-name/bin:/home/user-name/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
 
      除了 ``/home/user-name``，应该有具体的安装的主路径。
 

docs/zh_CN/get-started/establish-serial-connection.rst

@@ -61,6 +61,10 @@ MacOS ::
 
     sudo usermod -a -G dialout $USER
 
+在 Arch Linux 中，需要通过以下命令将用户添加到 ``uucp`` 组中::
+
+    sudo usermod -a -G uucp $USER
+
 重新登录以确保串行端口的读写权限被启用。
 
 

docs/zh_CN/get-started/linux-setup.rst

@@ -74,10 +74,10 @@ Linux 版的 ESP32 工具链可以从 Espressif 的网站下载：
 
         printenv PATH
 
-    检查一下字符串的末尾是否包含类似的工具链的路径： ::
+    检查字符串的开头是否包含类似的工具链路径::
 
         $ printenv PATH
-        /home/user-name/bin:/home/user-name/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/user-name/esp/xtensa-esp32-elf/bin
+        /home/user-name/esp/xtensa-esp32-elf/bin:/home/user-name/bin:/home/user-name/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
 
      除了 ``/home/user-name``，应该有具体的安装的主路径。