diff --git a/internal/config/config.go b/internal/config/config.go
index fdcda54..d36e405 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -38,6 +38,7 @@ type Result struct {
 	Templates map[string]ast.Variable
 }
 
+// LoadExtras attemps to load any additional vars
 func LoadExtras(args []string) (map[string]ast.Variable, error) {
 	extras := make(map[string]ast.Variable)
 	for _, extra := range args {
diff --git a/internal/config/config_test.go b/internal/config/config_test.go
index 302cd74..d0b9f2d 100644
--- a/internal/config/config_test.go
+++ b/internal/config/config_test.go
@@ -121,10 +121,10 @@ func TestPrepareVariables(t *testing.T) {
 
 func TestLoadExtras(t *testing.T) {
 	testCases := []struct {
-		desc string
-		args []string
+		desc        string
+		args        []string
 		expectation map[string]ast.Variable
-		error bool
+		error       bool
 	}{
 		{
 			"successfully load vars",
@@ -132,7 +132,7 @@ func TestLoadExtras(t *testing.T) {
 			map[string]ast.Variable{
 				"var.i": {
 					Value: "foo",
-					Type: ast.TypeString,
+					Type:  ast.TypeString,
 				},
 			},
 			false,
@@ -162,7 +162,7 @@ func TestLoadConfigFiles(t *testing.T) {
 	testCases := []struct {
 		description string
 		filenames   []string
-		extras		map[string]ast.Variable
+		extras      map[string]ast.Variable
 		result      *Result
 		error       bool
 	}{
@@ -216,7 +216,7 @@ func TestLoadConfigFiles(t *testing.T) {
 			map[string]ast.Variable{
 				"var.h": {
 					Value: "foo",
-					Type: ast.TypeString,
+					Type:  ast.TypeString,
 				},
 			},
 			&Result{
@@ -227,7 +227,7 @@ func TestLoadConfigFiles(t *testing.T) {
 					},
 					"var.h": {
 						Value: "foo",
-						Type: ast.TypeString,
+						Type:  ast.TypeString,
 					},
 				},
 				Templates: map[string]ast.Variable{
diff --git a/internal/interpolation/encoding_test.go b/internal/interpolation/encoding_test.go
index 0fff67b..4efd730 100644
--- a/internal/interpolation/encoding_test.go
+++ b/internal/interpolation/encoding_test.go
@@ -52,7 +52,7 @@ func TestInterpolationFuncJSONEncode(t *testing.T) {
 		},
 		{
 			description: "Advanced list encoding",
-			text: 		 `${jsonencode(list(map("foo", "bar")))}`,
+			text:        `${jsonencode(list(map("foo", "bar")))}`,
 			expectation: `[{"foo":"bar"}]`,
 		},
 		{