minor corrections to documentation and comments

docs/getting-started.md

@@ -14,14 +14,9 @@ until step 4 (Start the local cluster).
 Alternatively, if Vagrant and VirtualBox are already configured your machine, 
 you may use a pre-configured vagrant image and skip to the [Creating Aurora Jobs](#creating-aurora-jobs).
 
-To take this path, start by cloning the following repository:
+To take this path, start by cloning the following repository and checking out the DockerComposeExecutor branch:
 ```
-$  git clone git@github.com:rdelval/aurora.git
-```
-
-Checking out the DockerComposeExecutor branch:
-```
-$ git checkout DockerComposeExecutor
+$  git clone -b DockerComposeExecutor git@github.com:rdelval/aurora.git
 ```
 
 And bringing the vagrant box

job.go

@@ -208,7 +208,7 @@ func (a *Job) AddValueConstraint(name string,
 }
 
 // From Aurora Docs:
-// A constraint the specifies the maximum number of active tasks on a host with
+// A constraint that specifies the maximum number of active tasks on a host with
 // a matching attribute that may be scheduled simultaneously.
 func (a *Job) AddLimitConstraint(name string, limit int32) *Job {
 

updatejob.go

@@ -67,7 +67,7 @@ func (u *UpdateJob) WaitForBatchCompletion(batchWait bool) *UpdateJob {
 	return u
 }
 
-//	Max number of instance failures to tolerate before marking instance as FAILED.
+// Max number of instance failures to tolerate before marking instance as FAILED.
 func (u *UpdateJob) MaxPerInstanceFailures(inst int32) *UpdateJob {
 	u.req.Settings.MaxPerInstanceFailures = inst
 	return u