Add available template fields in examples as well

Author: zkry

cmd/dep/dep

@@ -24,6 +24,8 @@ import (
 	"github.com/pkg/errors"
 )
 
+const availableTemplateVariables = "ProjectRoot, Constraint, Version, Revision, Latest, and PackageCount."
+
 const statusShortHelp = `Report the status of the project's dependencies`
 const statusLongHelp = `
 With no arguments, print the status of each dependency of the project.
@@ -43,7 +45,7 @@ print an extended status output for each dependency of the project.
 
 You may use the -f flag to create a custom format for the output of the
 dep status command. The available fields you can utilize are as follows:
-ProjectRoot, Constraint, Version, Revision, Latest, and PackageCount.
+` + availableTemplateVariables + `
 
 Status returns exit code zero if all dependencies are in a "good state".
 `
@@ -59,8 +61,8 @@ dep status -f='{{if eq .Constraint "master"}}{{.ProjectRoot}} {{end}}'
 
 	Display the list of package names constrained on the master branch.
 	The -f flag allows you to use Go templates along with it's various 
-	constructs for formating the output data. See -help for available 
-	variables for this flag.
+	constructs for formating the output data. Available flags are as follows:
+	` + availableTemplateVariables + `
 
 dep status -json