no changes added to commit (use "git add" and/or "git commit -a")
First "git status" tells us that the current branch is "master". This
-means that the master branch is what will be updatea when we create a
+means that the master branch is what will be updated when we create a
new commit.
Note: In git a branch is a very simple notion---it's simply a name
#### 2.7.1 Introducing yourself to git
-Before we run "git commit" though, we should introduce ourself to git.
-Git records your name and address with each change that you commit,
-(as both author and committer unless you tell it otherwise), so that
-you and others will later be able to tell who made each change.
+Before you run "git commit" though, you should introduce yourself to
+git. Git records your name and email address with each change that
+you commit, (as both author and committer unless you tell it
+otherwise), so that you and others will later be able to tell who made
+each change.
Git tries to automatically figure out a sensible name and address to
attribute to both author and committer if you haven't explicitly told