typo

src/textual/logging.py

@@ -20,7 +20,7 @@ def __init__(self, stderr: bool = True, stdout: bool = False) -> None:
 
         Args:
             stderr: Log to stderr when there is no active app.
-            stdout: Log to stdout when there is not active app.
+            stdout: Log to stdout when there is no active app.
         """
         super().__init__()
         self._stderr = stderr