[Update] 2015-08-17

Manjaro 0.8.13 update-pack 9

In this update:
Glibc - 2.22
Firefox - 40.0.2
Thunderbird - 38.2.0
Mesa - 10.6.4 (including some Intel fixes)
kde-servicemenus-rootactions - 2.8.5-3 (added support for kservices5 / KF5 version of Dolphin)

As always this update includes also regular Archlinux upstream fixes (Sun Aug 17. 2015)

Current supported kernels:

Linux310 3.10.86
Linux312 3.12.46
Linux314 3.14.50
Linux318 3.18.20
Linux41 4.1.5
Linux42 4.2-rc6

No longer supported kernel:
Linux40 - 4.0.9 (EOL)

You can use Octopi or the CLI (command line) to perform this update:

sudo pacman -Syyu

Official Manjaro announcement: https://manjaro.github.io/Update-2015-08-17_(stable)/
Official Manjaro forum thread: https://forum.manjaro.org/index.php?topic=25240.0

Using Octopi gives me only a terminal option or not at all.

What should I be looking for that would cause this? As there is no Yes option only No and run in a Terminal.
I assume it’s a specific package?

Otherwise the update went smoothly.

That is normal for this update, you should be fine.