diff --git a/docs/manual/OptionalTasks/rpm.html b/docs/manual/OptionalTasks/rpm.html
index 008d2e13f..7bcfa85c6 100644
--- a/docs/manual/OptionalTasks/rpm.html
+++ b/docs/manual/OptionalTasks/rpm.html
@@ -9,7 +9,8 @@
 <h2><a name="rpm">Rpm</a></h2>
 <h3>Description</h3>
 <p>
-  A basic task for invoking the rpm executable.
+  A basic task for invoking the rpm executable to build a linux installation
+  file. The task currently only works on Linux.
 </p>
 
 <h3>Parameters</h3>