diff --git a/tapo/examples/tapo_ke100.rs b/tapo/examples/tapo_ke100.rs
index 3f5f26b..edeba1b 100644
--- a/tapo/examples/tapo_ke100.rs
+++ b/tapo/examples/tapo_ke100.rs
@@ -35,7 +35,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let device_info = device.get_device_info().await?;
     info!("Device info: {device_info:?}");
 
-    // Set temperature on target device and set temperature unit to Celsius.
+    // Set target temperature.
     // KE100 currently only supports Celsius as temperature unit.
     info!("Setting target temperature to {target_temperature} degrees Celsius...");
     device
diff --git a/tapo/src/api/child_devices/ke100_handler.rs b/tapo/src/api/child_devices/ke100_handler.rs
index 61aa9b0..e6e3316 100644
--- a/tapo/src/api/child_devices/ke100_handler.rs
+++ b/tapo/src/api/child_devices/ke100_handler.rs
@@ -51,7 +51,6 @@ impl<'h> KE100Handler<'h> {
         target_temperature: u8,
         temperature_unit: TemperatureUnitKE100,
     ) -> Result<(), Error> {
-        //let control_range = self.get_control_range().await?;
         let device_info = self.get_device_info().await?;
 
         if target_temperature < device_info.min_control_temperature
diff --git a/tapo/src/api/child_devices/t31x_handler.rs b/tapo/src/api/child_devices/t31x_handler.rs
index 3f3277c..931d251 100644
--- a/tapo/src/api/child_devices/t31x_handler.rs
+++ b/tapo/src/api/child_devices/t31x_handler.rs
@@ -42,8 +42,8 @@ impl<'h> T31XHandler<'h> {
             .hub_handler
             .control_child::<TemperatureHumidityRecordsRaw>(self.device_id.clone(), request)
             .await?
-            .ok_or_else(|| Error::Tapo(TapoResponseError::EmptyResult));
+            .ok_or_else(|| Error::Tapo(TapoResponseError::EmptyResult))?;
 
-        Ok(result?.try_into()?)
+        Ok(result.try_into()?)
     }
 }
diff --git a/tapo/src/responses/child_device_list_result/ke100_result.rs b/tapo/src/responses/child_device_list_result/ke100_result.rs
index f89a70e..94258e2 100644
--- a/tapo/src/responses/child_device_list_result/ke100_result.rs
+++ b/tapo/src/responses/child_device_list_result/ke100_result.rs
@@ -12,7 +12,7 @@ pub enum TemperatureUnitKE100 {
     Celsius,
 }
 
-/// KE100 TRV.
+/// KE100 thermostatic radiator valve (TRV).
 ///
 /// Specific properties: `temperature_unit`, `current_temperature`, `target_temperature`,
 /// `min_control_temperature, `max_control_temperature`, `temperature_offset`,