diff --git a/DOCS/skin.html b/DOCS/skin.html
index d98051dcf2..e1833eea98 100644
--- a/DOCS/skin.html
+++ b/DOCS/skin.html
@@ -343,7 +343,8 @@ end
     phases, numphases, default, X, Y, width, height, message</code><br>
     <code>vpotmeter = button, bwidth, bheight, phases, numphases, default, X, Y,
     width, height, message</code></b></a></dt>
-  <dd>Place a horizontal potmeter of <code>width</code> * <code>height</code>
+  <dd>Place a horizontal (hpotmeter) or vertical (vpotmeter) potmeter of
+    <code>width</code> * <code>height</code>
     size at position <code>X</code>,<code>Y</code>. The image can be divided
     into different parts for the different phases of the potmeter (for example,
     you can have a pot for volume control that turns from green to red while its