Fix issue #531: git pull is for current branch

Author: YueLinHo

book/02-git-basics/sections/remotes.asc

@@ -114,7 +114,7 @@ So, `git fetch origin` fetches any new work that has been pushed to that server
 It's important to note that the `git fetch` command pulls the data to your local repository – it doesn't automatically merge it with any of your work or modify what you're currently working on.
 You have to merge it manually into your work when you're ready.
 
-If you have a branch set up to track a remote branch (see the next section and <<_git_branching>> for more information), you can use the `git pull` command to automatically fetch and then merge a remote branch into your current branch.(((git commands, pull)))
+If your current branch is set up to track a remote branch (see the next section and <<_git_branching>> for more information), you can use the `git pull` command to automatically fetch and then merge that remote branch into your current branch.(((git commands, pull)))
 This may be an easier or more comfortable workflow for you; and by default, the `git clone` command automatically sets up your local master branch to track the remote master branch (or whatever the default branch is called) on the server you cloned from.
 Running `git pull` generally fetches data from the server you originally cloned from and automatically tries to merge it into the code you're currently working on.