diff --git a/components/esphome.rst b/components/esphome.rst
index 272c286c7..057132214 100644
--- a/components/esphome.rst
+++ b/components/esphome.rst
@@ -24,7 +24,7 @@ Configuration variables:
 
 - **name** (**Required**, string): This is the name of the node. It
   should always be unique in your ESPhome network. May only contain lowercase
-  characters, digits and underscores. See :ref:`esphome-changing_node_name`.
+  characters, digits, underscores and hyphens. See :ref:`esphome-changing_node_name`.
 - **platform** (**Required**, string): The platform your board is on,
   either ``ESP32`` or ``ESP8266``. See :ref:`esphome-arduino_version`.
 - **board** (**Required**, string): The board ESPHome should
diff --git a/components/sensor/tx20.rst b/components/sensor/tx20.rst
index d0aee418c..8790d75e9 100644
--- a/components/sensor/tx20.rst
+++ b/components/sensor/tx20.rst
@@ -62,7 +62,7 @@ Configuration variables:
 .. note::
 
     In order to create a text sensor to show the textual representation of the wind direction
-    the following config can be used. "tx20_id" needs to be replaced with the id of the TX20 sensor.
+    the following config can be used. "tx20_id" needs to be replaced with the id of the TX20 sensor (**not** with the id of the subsensors).
 
     .. code-block:: yaml