doc/start: fix "Planet Ceph" link

Fix a link to Planet Ceph on the doc/start/get-involved.rst page.

Reported 2023 Apr 21, here:
https://pad.ceph.com/p/Report_Documentation_Bugs

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit 67ebc206648144e533b627b9c22f29695764b26b)

diff --git a/doc/start/get-involved.rst b/doc/start/get-involved.rst
index 1303bb31fdafa80088a824f0cd27110971c924f1..4f5277e3768bae317f25b48007c16e0174ad4da8 100644 (file)
--- a/doc/start/get-involved.rst
+++ b/doc/start/get-involved.rst
@@ -12,9 +12,10 @@ These are exciting times in the Ceph community! Get involved!
 | **Blog**             | Check the Ceph Blog_ periodically to keep track | http://ceph.com/community/blog/               |
 |                      | of Ceph progress and important announcements.   |                                               |
 +----------------------+-------------------------------------------------+-----------------------------------------------+
-| **Planet Ceph**      | Check the blog aggregation on Planet Ceph for   | https://ceph.com/category/planet/             |
+| **Planet Ceph**      | Check the blog aggregation on Planet Ceph for   | https://old.ceph.com/category/planet/         |
 |                      | interesting stories, information and            |                                               |
-|                      | experiences from the community.                 |                                               |
+|                      | experiences from the community. **NOTE: NO      |                                               |
+|                      | longer updated as of 2023.**                    |                                               |
 +----------------------+-------------------------------------------------+-----------------------------------------------+
 | **Wiki**             | Check the Ceph Wiki is a source for more        | http://wiki.ceph.com/                         |
 |                      | community and development related topics. You   |                                               |