diff --git a/src/Visualization/Python/GenerateXdmf.py b/src/Visualization/Python/GenerateXdmf.py
index cc5719613f01..87f1e882fd68 100755
--- a/src/Visualization/Python/GenerateXdmf.py
+++ b/src/Visualization/Python/GenerateXdmf.py
@@ -510,7 +510,7 @@ def generate_xdmf(
     type=float,
     help=(
         "The time at which to stop visualizing. The stop-time value is "
-        "not included."
+        "included."
     ),
 )
 @click.option(