From 74c354da29b310451186a8ab5af056c8ae5ff3e8 Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Fri, 22 Apr 2022 13:53:23 +0100
Subject: [PATCH] docstring

---
 src/textual/css/scalar.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/textual/css/scalar.py b/src/textual/css/scalar.py
index 2b6dd719e..f7d193758 100644
--- a/src/textual/css/scalar.py
+++ b/src/textual/css/scalar.py
@@ -149,10 +149,10 @@ class Scalar(NamedTuple):
             viewport (tuple[int, int]): Size of the viewport (typically terminal size)
 
         Raises:
-            ScalarResolveError: _description_
+            ScalarResolveError: If the unit is unknown.
 
         Returns:
-            float: _description_
+            int: A size (in cells)
         """
         value, unit, percent_unit = self