diff --git a/docs/en/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst b/docs/en/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst
index b0ca4985f..42825dcfa 100644
--- a/docs/en/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst
+++ b/docs/en/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst
@@ -2,6 +2,8 @@
 ESP32-S2-Saola-1
 ================
 
+:link_to_translation:`zh_CN:[中文]`
+
 This user guide provides information on ESP32-S2-Saola-1, a small-sized `ESP32-S2 <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf>`_ based development board produced by Espressif.
 
 .. figure:: ../../../_static/esp32-s2-saola-1-v1.2-isometric.png
@@ -129,6 +131,7 @@ Power Supply Options
 ^^^^^^^^^^^^^^^^^^^^
 
 There are three mutually exclusive ways to provide power to the board:
+
 - Micro USB port, default power supply
 - 5V and GND header pins
 - 3V3 and GND header pins
diff --git a/docs/en/hw-reference/index.rst b/docs/en/hw-reference/index.rst
index 6af93957d..8e086f350 100644
--- a/docs/en/hw-reference/index.rst
+++ b/docs/en/hw-reference/index.rst
@@ -8,7 +8,7 @@
 
     Technical Reference Manual (PDF) <{IDF_TARGET_TRM_EN_URL}>
     :esp32: Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf>
-    :esp32s2: Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32s2_datasheet_en.pdf>
+    :esp32s2: Datasheet (PDF) <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf>
     :esp32: Hardware Design Guidelines (PDF) <https://espressif.com/sites/default/files/documentation/esp32_hardware_design_guidelines_en.pdf>
     :esp32: Silicon Errata (PDF) <https://espressif.com/sites/default/files/documentation/eco_and_workarounds_for_bugs_in_esp32_en.pdf>
     Modules and Boards <modules-and-boards>
diff --git a/docs/zh_CN/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst b/docs/zh_CN/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst
index b75f9b5f0..8ebb9c724 100644
--- a/docs/zh_CN/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst
+++ b/docs/zh_CN/hw-reference/esp32s2/user-guide-saola-1-v1.2.rst
@@ -2,6 +2,8 @@
 ESP32-S2-Saola-1
 ================
 
+:link_to_translation:`en: [English]`
+
 本指南介绍了乐鑫一款基于 `ESP32-S2 <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_cn.pdf>`_ 的小型开发板 ESP32-S2-Saola-1。
 
 .. figure:: ../../../_static/esp32-s2-saola-1-v1.2-isometric.png
diff --git a/docs/zh_CN/hw-reference/index.rst b/docs/zh_CN/hw-reference/index.rst
index 9d5e73e8a..7e2cff00b 100644
--- a/docs/zh_CN/hw-reference/index.rst
+++ b/docs/zh_CN/hw-reference/index.rst
@@ -8,7 +8,7 @@ ESP32 H/W 硬件参考
 
     {IDF_TARGET_NAME} 技术参考手册 (PDF) <{IDF_TARGET_TRM_CN_URL}>
     :esp32: ESP32 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf>
-    :esp32s2: ESP32-S2 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32s2_datasheet_cn.pdf>
+    :esp32s2: ESP32-S2 技术规格书 (PDF) <https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_cn.pdf>
     :esp32: ESP32 硬件设计指南 (PDF) <https://espressif.com/sites/default/files/documentation/esp32_hardware_design_guidelines_cn.pdf>
     :esp32: ESP32 勘误表及解决方法 (PDF) <https://espressif.com/sites/default/files/documentation/eco_and_workarounds_for_bugs_in_esp32_cn.pdf>
     模组与开发板 <modules-and-boards>