diff --git a/src/textual/coordinate.py b/src/textual/coordinate.py
index a1285cf3e..e53590ef8 100644
--- a/src/textual/coordinate.py
+++ b/src/textual/coordinate.py
@@ -7,7 +7,10 @@ class Coordinate(NamedTuple):
     """An object representing a row/column coordinate within a grid."""
 
     row: int
+    """The row of the coordinate within a grid."""
+
     column: int
+    """The column of the coordinate within a grid."""
 
     def left(self) -> Coordinate:
         """Get the coordinate to the left.