diff --git a/source/_integrations/thethingsnetwork.markdown b/source/_integrations/thethingsnetwork.markdown
index f88e84b59b3..c500aabd4ec 100644
--- a/source/_integrations/thethingsnetwork.markdown
+++ b/source/_integrations/thethingsnetwork.markdown
@@ -13,6 +13,10 @@ ha_platforms:
   - sensor
 ---
 
+<div class='note warning'>
+  This integration only supports TTNv2.
+</div>
+
 The `thethingsnetwork` integration allows one to interact with the [The Things Network](https://www.thethingsnetwork.org). This community-driven and open network supports [LoRaWAN](https://www.lora-alliance.org/) for long range (~5 to 15 km) communication with a low bandwidth (51 bytes/message). [Gateways](https://www.thethingsnetwork.org/docs/gateways/) transfers the received data from the sensors to the The Things Network.
 
 The Things network support various integrations to make the data available:
diff --git a/source/_lovelace/sensor.markdown b/source/_lovelace/sensor.markdown
index 1d0b1f11d4e..f5201c12bae 100644
--- a/source/_lovelace/sensor.markdown
+++ b/source/_lovelace/sensor.markdown
@@ -49,6 +49,21 @@ hours_to_show:
   description: Hours to show in graph. Minimum is 1 hour. Big values can result in delayed rendering, especially if the selected entities have a lot of state changes.
   type: integer
   default: 24
+limits:
+  required: false
+  description: Limits of the graph Y-axis.
+  type: map
+  keys:
+    min:
+      description: Minimum value of the graph Y-axis.
+      type: float
+      required: false
+      default: "`0` if the entity `unit_of_measurement` is `%`, otherwise minimum value of sample"
+    max:
+      description: Maximum value of the graph Y-axis.
+      type: float
+      required: false
+      default: "`100` if the entity `unit_of_measurement` is `%`, otherwise maximum value of sample"
 theme:
   required: false
   description: Override the used theme for this card with any loaded theme. For more information about themes, see the [frontend documentation](/integrations/frontend/).