diff --git a/documentation/ref-manual/structure.rst b/documentation/ref-manual/structure.rst
index ff84b250b..a55b3ba56 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -868,7 +868,8 @@ layer.
 ---------------

 This directory contains common license files and several text files used
-by the build system. The text files contain minimal device information
+by the build system, as well as Wic files that define generated image layouts.
+The text files contain minimal device information
 and lists of files and directories with known permissions.

 .. _structure-meta-lib: