diff --git a/src/textual/containers.py b/src/textual/containers.py
index 54b9749681..91b64b6a1a 100644
--- a/src/textual/containers.py
+++ b/src/textual/containers.py
@@ -106,7 +106,7 @@ class Horizontal(Widget, inherit_bindings=False):
 
 
 class HorizontalScroll(ScrollableContainer):
-    """A container with horizontal layout and an automatic scrollbar on the Y axis."""
+    """A container with horizontal layout and an automatic scrollbar on the X axis."""
 
     DEFAULT_CSS = """
     HorizontalScroll {