diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index ffc40c98ae..8c3bbaa569 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -4152,6 +4152,20 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
+ ROOTFS_POSTPROCESS_COMMAND
+
+
+ Added by classes to run post processing commands once the
+ OpenEmbedded build system has created the root filesystem.
+ You can specify shell commands and, if necessary, the path
+ to the root filesystem image:
+
+ ROOTFS_POSTPROCESS_COMMAND += "${IMAGE_ROOTFS}<shell_command>; ... "
+
+
+
+
+
RPROVIDES