polish

src/textual/timer.py

@@ -118,6 +118,7 @@ class Timer:
         self._active.clear()
 
     def reset(self) -> None:
+        """Reset the timer, so it starts from the beginning."""
         self._active.set()
         self._reset = True
 

src/textual/widget.py

@@ -697,6 +697,7 @@ class Widget(DOMNode):
 
     @property
     def content_size(self) -> Size:
+        """Get the size of the content area."""
         return self.region.shrink(self.styles.gutter).size
 
     @property