diff --git a/documentation/dev-manual/dev-manual-model.xml b/documentation/dev-manual/dev-manual-model.xml
index 5d1682a6f3..a6820d6707 100644
--- a/documentation/dev-manual/dev-manual-model.xml
+++ b/documentation/dev-manual/dev-manual-model.xml
@@ -1508,7 +1508,8 @@
support development using actual hardware.
For example, the area might contain
.hddimg files that combine the
- kernel image with the filesystem, boot loaders, etc.
+ kernel image with the filesystem, boot loaders, and
+ so forth.
Be sure to get the files you need for your particular
development process.
If you are going to develop your application and