diff --git a/src/epub/text/chapter-10.xhtml b/src/epub/text/chapter-10.xhtml
index 7fb7e1a..7c342d3 100644
--- a/src/epub/text/chapter-10.xhtml
+++ b/src/epub/text/chapter-10.xhtml
@@ -26,7 +26,7 @@
 				<table>
 					<thead>
 						<tr>
-							<th/>
+							<td/>
 							<th>Feet</th>
 						</tr>
 					</thead>