diff --git a/documentation/kernel-dev/kernel-dev-common.xml b/documentation/kernel-dev/kernel-dev-common.xml
index 11a527ce24..a152f9fbbe 100644
--- a/documentation/kernel-dev/kernel-dev-common.xml
+++ b/documentation/kernel-dev/kernel-dev-common.xml
@@ -95,7 +95,7 @@
                 <ulink url='&YOCTO_DOCS_REF_URL;#var-FILESEXTRAPATHS'><filename>FILESEXTRAPATHS</filename></ulink>
                 variable as follows:
                 <literallayout class='monospaced'>
-     FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}"
+     FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
                 </literallayout>
                 The path <filename>${</filename><ulink url='&YOCTO_DOCS_REF_URL;#var-THISDIR'><filename>THISDIR</filename></ulink><filename>}/${</filename><ulink url='&YOCTO_DOCS_REF_URL;#var-PN'><filename>PN</filename></ulink><filename>}</filename>
                 expands to "linux-yocto" in the current directory for this