diff --git a/poky/documentation/kernel-dev/concepts-appx.rst b/poky/documentation/kernel-dev/concepts-appx.rst
index b3a2f3a..63c5124 100644
--- a/poky/documentation/kernel-dev/concepts-appx.rst
+++ b/poky/documentation/kernel-dev/concepts-appx.rst
@@ -117,7 +117,7 @@
 team's Yocto Linux kernel development strategy. It is the Yocto Project
 team's policy to not back-port minor features to the released Yocto
 Linux kernel. They only consider back-porting significant technological
-jumps - and, that is done after a complete gap analysis. The reason
+jumps --- and, that is done after a complete gap analysis. The reason
 for this policy is that back-porting any small to medium sized change
 from an evolving Linux kernel can easily create mismatches,
 incompatibilities and very subtle errors.