chore: fix docs (fastify#6007)

Signed-off-by: Manuel Spigolon <[email protected]>

Author: Eomm

docs/Reference/LTS.md

@@ -37,10 +37,13 @@ A "month" is defined as 30 consecutive days.
 > As a consequence of providing long-term support for major releases, there are
 > occasions where we need to release breaking changes as a _minor_ version
 > release. Such changes will _always_ be noted in the [release
->
+> notes](https://github.com/fastify/fastify/releases).
+> 
 > To avoid automatically receiving breaking security updates it is possible to
 > use the tilde (`~`) range qualifier. For example, to get patches for the 3.15
 > release, and avoid automatically updating to the 3.16 release, specify the
+> dependency as `"fastify": "~3.15.x"`. This will leave your application
+> vulnerable, so please use it with caution.
 
 ### Security Support Beyond LTS