diff --git a/poky/documentation/overview-manual/overview-manual-concepts.rst b/poky/documentation/overview-manual/overview-manual-concepts.rst
index 3d8dc7a..6ce5f80 100644
--- a/poky/documentation/overview-manual/overview-manual-concepts.rst
+++ b/poky/documentation/overview-manual/overview-manual-concepts.rst
@@ -153,7 +153,7 @@
 
 Many layers exist that work in the Yocto Project development
 environment. The `Yocto Project Curated Layer
-Index <https://caffelli-staging.yoctoproject.org/software-overview/layers/>`__
+Index <https://www.yoctoproject.org/software-overview/layers/>`__
 and `OpenEmbedded Layer
 Index <http://layers.openembedded.org/layerindex/branch/master/layers/>`__
 both contain layers from which you can use or leverage.
diff --git a/poky/documentation/overview-manual/overview-manual-development-environment.rst b/poky/documentation/overview-manual/overview-manual-development-environment.rst
index 3b5147d..bb2c8e7 100644
--- a/poky/documentation/overview-manual/overview-manual-development-environment.rst
+++ b/poky/documentation/overview-manual/overview-manual-development-environment.rst
@@ -43,7 +43,7 @@
 Philosophy `here <http://en.wikipedia.org/wiki/Open_source>`__. You can
 also find helpful information on how to participate in the Linux
 Community
-`here <http://ldn.linuxfoundation.org/book/how-participate-linux-community>`__.
+`here <https://www.kernel.org/doc/html/latest/process/index.html>`__.
 
 .. _gs-the-development-host:
 
@@ -185,7 +185,7 @@
    see the ":ref:`dev-manual/dev-manual-start:accessing source repositories`"
    Section in the Yocto Project Development Tasks Manual.
 
--  :yocto_dl:`Index of /releases: <releases>` This is an index
+-  :yocto_dl:`Index of /releases: </releases>` This is an index
    of releases such as Poky, Pseudo, installers for cross-development
    toolchains, miscellaneous support and all released versions of Yocto
    Project in the form of images or tarballs. Downloading and extracting
@@ -205,7 +205,7 @@
    through the "SOFTWARE" menu that allows you to download any Yocto
    Project release, tool, and Board Support Package (BSP) in tarball
    form. The tarballs are similar to those found in the
-   :yocto_dl:`Index of /releases: <releases>` area.
+   :yocto_dl:`Index of /releases: </releases>` area.
 
    .. image:: figures/yp-download.png
       :align: center
diff --git a/poky/documentation/overview-manual/overview-manual-yp-intro.rst b/poky/documentation/overview-manual/overview-manual-yp-intro.rst
index 265fbda..5cdab7c 100644
--- a/poky/documentation/overview-manual/overview-manual-yp-intro.rst
+++ b/poky/documentation/overview-manual/overview-manual-yp-intro.rst
@@ -224,7 +224,7 @@
       possible.
 
    -  Familiarize yourself with the `Yocto Project curated layer
-      index <https://caffelli-staging.yoctoproject.org/software-overview/layers/>`__
+      index <https://www.yoctoproject.org/software-overview/layers/>`__
       or the `OpenEmbedded layer
       index <http://layers.openembedded.org/layerindex/branch/master/layers/>`__.
       The latter contains more layers but they are less universally