Git Pull Error - There is no tracking information for the current branch

Usually I can just do a git pull to get the latest update from master. However, I receive the following error/warning when I try to do git pull.

To solve this, I need to do "git pull origin master"

D:\xampp\htdocs\website>git pull
remote: Counting objects: 5, done.
remote: Compressing objects: 100% (3/3), done.
remote: Total 3 (delta 2), reused 0 (delta 0)
Unpacking objects: 100% (3/3), done.
From 192.168.1.15:web/website
   25bc2eb..0b66cee  master     -> origin/master
There is no tracking information for the current branch.
Please specify which branch you want to merge with.
See git-pull(1) for details

    git pull <remote> <branch>

If you wish to set tracking information for this branch you can do so with:

    git branch --set-upstream-to=origin/<branch> master