--- a
+++ b/drplugins/docs/Switcheroo.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+<head>
+  <meta http-equiv="content-type"
+ content="text/html; charset=ISO-8859-1">
+  <title>Switcheroo</title>
+</head>
+<body>
+<b>Switcheroo:</b>
+<br>
+<br>
+Switcheroo is like replace, except instead of replacing "Text A" with
+"Text B",<br>
+it replaces every instance of "Text A" with "Text B",<br>
+and every instance of "Text B" with "Text A".
+<br>
+So using Switcheroo and selecting<br>
+Switch: Dog<br>
+With:&nbsp;&nbsp;&nbsp;&nbsp; Cat<br>
+on the following text:<br>
+"The Dog chased the Cat, and the Cat bit back."<br>
+<br>
+Will yield:<br>
+"The Cat chased the Dog, and the Dog bit back."
+</body>
+</html>