diff --git a/source/_components/alarm_control_panel.nx584.markdown b/source/_components/alarm_control_panel.nx584.markdown
index 88b808dee95..23912d79a68 100644
--- a/source/_components/alarm_control_panel.nx584.markdown
+++ b/source/_components/alarm_control_panel.nx584.markdown
@@ -19,11 +19,11 @@ To enable this, add the following lines to your `configuration.yaml`:
 ```yaml
 # Example configuration.yaml entry
 alarm_control_panel:
-  platform: nx584
+  - platform: nx584
 ```
 
 Configuration variables:
 
-- **host** (*Optional*): The host where the nx584 server process is running. Defaults to localhost.
-- **port** (*Optional*): The port where the Alarm panel ist listening. Defaults to 5007.
+- **host** (*Optional*): The host where the nx584 server process is running. Defaults to `localhost`.
+- **port** (*Optional*): The port where the Alarm panel ist listening. Defaults to `5007`.
 
diff --git a/source/_components/binary_sensor.concord232.markdown b/source/_components/binary_sensor.concord232.markdown
index 31ce3b004ba..b373909ee98 100644
--- a/source/_components/binary_sensor.concord232.markdown
+++ b/source/_components/binary_sensor.concord232.markdown
@@ -24,6 +24,6 @@ binary_sensor:
 
 Configuration variables:
 
-- **host** (*Optional*): The host where the concord232 server process is running. Defaults to localhost.
+- **host** (*Optional*): The host where the concord232 server process is running. Defaults to `localhost`.
 - **port** (*Optional*): The port where the Alarm panel ist listening. Defaults to 5007.
 
diff --git a/source/_components/switch.acer_projector.markdown b/source/_components/switch.acer_projector.markdown
index a918b6d9a69..d9158b31528 100644
--- a/source/_components/switch.acer_projector.markdown
+++ b/source/_components/switch.acer_projector.markdown
@@ -27,7 +27,7 @@ switch:
 
 Configuration variables:
 
-- **filename** (*Required*): The pipe where the projector is connected to
+- **filename** (*Required*): The pipe where the projector is connected to.
 - **name** (*Optional*): The name to use when displaying this switch.
 - **timeout** (*Optional*): Timeout for the connection in seconds.
 - **write_timeout** (*Optional*): Write timeout in seconds.