diff --git a/README.md b/README.md
index 25a78fb..4fe8c50 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![version](https://img.shields.io/github/manifest-json/v/Tasshack/dreame-vacuum/dev?filename=custom_components%2Fdreame_vacuum%2Fmanifest.json&color=slateblue&label=version)](https://github.com/Tasshack/dreame-vacuum/releases)
+[![version](https://img.shields.io/github/manifest-json/v/Tasshack/dreame-vacuum/dev?filename=custom_components%2Fdreame_vacuum%2Fmanifest.json&color=slateblue&label=version)](https://github.com/Tasshack/dreame-vacuum/releases)
 ![GitHub all releases](https://img.shields.io/github/downloads/Tasshack/dreame-vacuum/total)
 [![HACS](https://img.shields.io/badge/HACS-Default-orange.svg?logo=HomeAssistantCommunityStore&logoColor=white)](https://github.com/hacs/integration)
 [![Community Forum](https://img.shields.io/static/v1.svg?label=Community&message=Forum&color=41bdf5&logo=HomeAssistant&logoColor=white)](https://community.home-assistant.io/t/custom-component-dreame-vacuum/473026)
diff --git a/custom_components/dreame_vacuum/const.py b/custom_components/dreame_vacuum/const.py
index 48ee5b4..9b83309 100644
--- a/custom_components/dreame_vacuum/const.py
+++ b/custom_components/dreame_vacuum/const.py
@@ -1,4 +1,4 @@
-import logging
+import logging
 from typing import Final
 
 DOMAIN = "dreame_vacuum"
diff --git a/custom_components/dreame_vacuum/dreame/device.py b/custom_components/dreame_vacuum/dreame/device.py
index 37f3c8d..01bbcf3 100644
--- a/custom_components/dreame_vacuum/dreame/device.py
+++ b/custom_components/dreame_vacuum/dreame/device.py
@@ -6233,7 +6233,7 @@ def cleaning_history(self) -> dict[str, Any] | None:
                     list[date] = {
                         ATTR_TIMESTAMP: history.date.timestamp(),
                         ATTR_CLEANING_TIME: f"{history.cleaning_time} min",
-                        ATTR_CLEANED_AREA: f"{history.cleaned_area} sqm",
+                        ATTR_CLEANED_AREA: f"{history.cleaned_area} m²",
                     }
                     if history.status is not None:
                         list[date][ATTR_STATUS] = (
@@ -7069,7 +7069,7 @@ def mac_address(self) -> Optional[str]:
     @property
     def manufacturer(self) -> str:
         """Manufacturer name."""
-        return "Dreametech�"
+        return "Dreametech™"
 
     @property
     def raw(self) -> dict[str, Any]:
diff --git a/docs/map.md b/docs/map.md
index 1c93b18..da2def4 100644
--- a/docs/map.md
+++ b/docs/map.md
@@ -1,4 +1,4 @@
-# Map Support
+# Map Support
 
 Completely reverse engineered map data handling, decoding and rendering for live and multiple saved map support with all features provided with the official App.
 
diff --git a/docs/supported_devices.md b/docs/supported_devices.md
index 7e3df82..1edd960 100644
--- a/docs/supported_devices.md
+++ b/docs/supported_devices.md
@@ -1,4 +1,4 @@
-# Supported Devices
+# Supported Devices
 
 ## Dreame
 | Name	                            | Model  |
diff --git a/info.md b/info.md
index 731e506..93d770b 100644
--- a/info.md
+++ b/info.md
@@ -1,4 +1,4 @@
-[![version](https://img.shields.io/github/manifest-json/v/Tasshack/dreame-vacuum/dev?filename=custom_components%2Fdreame_vacuum%2Fmanifest.json&color=slateblue&label=version)](https://github.com/Tasshack/dreame-vacuum/releases)
+[![version](https://img.shields.io/github/manifest-json/v/Tasshack/dreame-vacuum/dev?filename=custom_components%2Fdreame_vacuum%2Fmanifest.json&color=slateblue&label=version)](https://github.com/Tasshack/dreame-vacuum/releases)
 ![GitHub all releases](https://img.shields.io/github/downloads/Tasshack/dreame-vacuum/total)
 ![GitHub issues](https://img.shields.io/github/issues/Tasshack/dreame-vacuum)
 [![HACS](https://img.shields.io/badge/HACS-Default-orange.svg?logo=HomeAssistantCommunityStore&logoColor=white)](https://github.com/hacs/integration)