[PR #9045/ccf7f623 backport][stable-8] Update documentation in apk.py (#9054)

Update documentation in apk.py (#9045)

* Update apk.py

Fix for issue #9017

* Update plugins/modules/apk.py

Added a line break to fix the issue of the line being too long.

Co-authored-by: Felix Fontein <felix@fontein.de>

---------

Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit ccf7f62325)

Co-authored-by: Navaneeth S <navisk13@gmail.com>

plugins/modules/apk.py

@@ -74,6 +74,7 @@ options:
   world:
     description:
       - Use a custom world file when checking for explicitly installed packages.
+        The file is used only when a value is provided for O(name), and O(state) is set to V(present) or V(latest).
     type: str
     default: /etc/apk/world
     version_added: 5.4.0