diff --git a/docs/images/descendant_combinator.excalidraw.svg b/docs/images/descendant_combinator.excalidraw.svg
index d0dac0ecd..1f5a7ce8d 100644
--- a/docs/images/descendant_combinator.excalidraw.svg
+++ b/docs/images/descendant_combinator.excalidraw.svg
@@ -1,16 +1,16 @@
\ No newline at end of file
+ Container( id="dialog")Horizontal( classes="buttons")Button("Yes")Button("No")Screen()Container( id="sidebar")Button( "Install")match these*don't* match this
\ No newline at end of file
diff --git a/src/textual/widgets/_header.py b/src/textual/widgets/_header.py
index 8374e4327..6b0f58aa0 100644
--- a/src/textual/widgets/_header.py
+++ b/src/textual/widgets/_header.py
@@ -15,7 +15,7 @@ class HeaderIcon(Widget):
HeaderIcon {
dock: left;
padding: 0 1;
- width: 10;
+ width: 8;
content-align: left middle;
}
"""