diff --git a/thundra/command.py b/thundra/command.py
index fb83fee..ab13e9f 100644
--- a/thundra/command.py
+++ b/thundra/command.py
@@ -163,8 +163,10 @@ def command(f: Callable[[NewClient, Message], Any]):
 
 
 class Command(Filter):
-    def __init__(self, command: str, prefix: Optional[str] = None, space_detection: bool = False) -> None:
-        self.command = command + (' 'if space_detection else '')
+    def __init__(
+        self, command: str, prefix: Optional[str] = None, space_detection: bool = False
+    ) -> None:
+        self.command = command + (" " if space_detection else "")
         self.prefix = config.prefix if prefix is None else prefix
         super().__init__()
 
diff --git a/thundra/config.py b/thundra/config.py
index e2d53cc..b12dd78 100644
--- a/thundra/config.py
+++ b/thundra/config.py
@@ -30,7 +30,7 @@ def config_format(config: Optional[Dict] = None, path="") -> dict:
 
 @dataclass
 class Config:
-    prefix: str = config_toml['thundra']['prefix']
+    prefix: str = config_toml["thundra"]["prefix"]
 
 
 config = Config()