diff --git a/components/sensor/hdc1080.rst b/components/sensor/hdc1080.rst
index 985231dea..63a1bab14 100644
--- a/components/sensor/hdc1080.rst
+++ b/components/sensor/hdc1080.rst
@@ -58,6 +58,24 @@ Currently, the platform doesn't support activating the built-in heater,
 as it seems to only be rarely of use. If you need it, please open an
 issue.
 
+Notes
+--------
+
+This library also appears to the compatible with the  `DFRobot CHT8305 I2C Temperature and Humidity Sensor <https://wiki.dfrobot.com/SKU_SEN0546_I2C_Temperature_and_Humidity_Sensor_Stainless_Steel_Shell>`__) on address 0x40.
+
+.. code-block:: yaml
+
+    # Example configuration entry
+    sensor:
+      - platform: hdc1080
+        temperature:
+          name: "Outside Temperature"
+        humidity:
+          name: "Outside Humidity"
+        address: 0x40
+        update_interval: 60s
+
+
 See Also
 --------
 
diff --git a/cookbook/geiger-counter.rst b/cookbook/geiger-counter.rst
index eede8b6ae..9e81062c0 100644
--- a/cookbook/geiger-counter.rst
+++ b/cookbook/geiger-counter.rst
@@ -10,7 +10,7 @@ With the help of :doc:`/components/sensor/pulse_counter` and the RadiationD v1.1
 a more or less precise messurement of the current radation level. But it should be good enough to warn you about critical events.  
 
 
-Assambly:
+Assembly:
 ---------
 
 .. figure:: images/radiationD-v1-1-cajoe_small.jpg
@@ -30,7 +30,7 @@ I just 3D printed an small housing the avoid touching the high voltage Geiger Mu
 (The tube should not be in direct sunlight. So maybe you will need another case.)
 
 
-Configuartion:
+Configuration:
 ---------------
 
 The block :doc:`/components/sensor/pulse_counter` will count the radation events per minute. 
diff --git a/devices/sonoff.rst b/devices/sonoff.rst
index 733a5c77e..38c91bd72 100644
--- a/devices/sonoff.rst
+++ b/devices/sonoff.rst
@@ -18,8 +18,8 @@ and shipping from China takes a long time, I've only set up dedicated guides for
       board: esp8285
 
 After that use the following list of pin to function mappings to set up your Sonoff device.
-This list has been compiled from the Sonoff Tasmota pin source file which can be found here:
-https://github.com/arendst/Tasmota/blob/development/tasmota/tasmota_template.h ❤️
+This list has been compiled from the Sonoff Tasmota pin source file which can be found `here <https://github.com/arendst/Tasmota/blob/development/tasmota/tasmota_template.h>`__.
+
 
 .. note::
 
@@ -103,8 +103,8 @@ Sonoff Dual R2 v1.4
     GPIO10, Button on the case,
     GPIO13, Blue LED (inverted)
 
-Sonoff Dual R3 v1.x
--------------------
+Sonoff Dual R3 v1.x, v2.x
+-------------------------
 
 .. pintable::
 
@@ -117,7 +117,7 @@ Sonoff Dual R3 v1.x
     GPIO25, UART TX pin (for power sensor)
     GPIO26, UART RX pin (for power sensor)
 
-See :doc:`/components/sensor/cse7761` for measuring power.
+For power measuring see :doc:`/components/sensor/cse7761` (v1.x) or :doc:`/components/sensor/bl0939` (v2.x)
 
 Sonoff Pow R1
 -------------
diff --git a/guides/migrate_sonoff_tasmota.rst b/guides/migrate_sonoff_tasmota.rst
index bfcc19f35..c29552854 100644
--- a/guides/migrate_sonoff_tasmota.rst
+++ b/guides/migrate_sonoff_tasmota.rst
@@ -58,7 +58,7 @@ Happy Hacking!
 
 .. note::
 
-    If you are using Tasmota 8+ on ESP8266 and get an error after uploading the firmware, first upload ``tasmota-minimal.bin.gz`` from Tasmota repository, next upload firmware generated from ESPHome. Another way to try is to simply ``gzip`` the ESPHome binary and upload the ``.gz`` file instead.
+    If you are using Tasmota 8+ on ESP8266 and get an error after uploading the firmware, first upload ``tasmota-minimal.bin.gz`` from Tasmota repository, next upload firmware generated from ESPHome. Another way to try is to simply ``gzip`` the ESPHome binary and upload the ``.gz`` file instead. If you are using Tasmota 7.2+ it is necessary to run the command “SetOption78 1” in the Tasmota console and restart your device to be able to upgrade to esphome.
 
 See Also
 --------