diff --git a/handbook/survey/l/orthoheight.html b/handbook/survey/l/orthoheight.html
index c6409fcf0..736418832 100644
--- a/handbook/survey/l/orthoheight.html
+++ b/handbook/survey/l/orthoheight.html
@@ -2,9 +2,7 @@
 <html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf8" />
-<title>
-Orthographic Height - Geoid and Ellipsoid
-</title>
+<title>Orthographic Height - Geoid and Ellipsoid</title>
 <link rel="stylesheet" type="text/css" href="../../../css/main2.css" />
 </head>
 
@@ -13,7 +11,7 @@ Orthographic Height - Geoid and Ellipsoid
 <div class="centre"><img alt="" src="/handbook/survey/i/orthoheight.jpg" />
 </div>
 
-<p>How the Ellipsoid height (which is what GPS reports) relates to the geoid height (altitude above mean sea level). Though many GPS devices say they report height above sea level, they are probably lying.
+<p>How the Ellipsoid height (which is what GPS reports) relates to the geoid height (definition of sea level) and the orthographic height (altitude above mean sea level). Though many GPS devices say they report height above sea level, they are probably lying.
 
 &lt;p&gt;
 From &lt;a href=&quot;https://support.virtual-surveyor.com/support/solutions/articles/1000261349-the-difference-between-ellipsoidal-geoid-and-orthometric-elevations-&quot;&gt;support.virtual-surveyor.com/support/solutions/articles/1000261349-the-difference-between-ellipsoidal-geoid-and-orthometric-elevations-&lt;/a&gt;</p>
@@ -22,6 +20,5 @@ From &lt;a href=&quot;https://support.virtual-surveyor.com/support/solutions/art
 <p class="caption">Photo &copy; Philip S, 2023</p>
 
 
-<hr />
-</body>
+<hr /></body>
 </html>
