Docs edit for #18477.

docsite/rst/playbooks_filters.rst

@@ -168,8 +168,7 @@ Get a random number from 1 to 100 but in steps of 10::
     {{ 100 |random(1, 10) }}    => 31
     {{ 100 |random(start=1, step=10) }}    => 51
 
-It's also possible to initialize random number generator from seed. This way, you can create random-but-idempotent
-numbers (new in version 2.3)::
+As of Ansible version 2.3, it's also possible to initialize the random number generator from a seed. This way, you can create random-but-idempotent numbers::
 
     {{ 59 |random(seed=inventory_hostname) }} * * * * root /script/from/cron