diff --git a/models/error.go b/models/error.go
index 4c2bdf53..393ca928 100644
--- a/models/error.go
+++ b/models/error.go
@@ -128,9 +128,8 @@ func (err ErrIDCannotBeZero) Error() string {
 // List errors
 // ===========
 
-
 // ErrListDoesNotExist represents a "ErrListDoesNotExist" kind of error. Used if the list does not exist.
-type ErrListDoesNotExist struct{
+type ErrListDoesNotExist struct {
 	ID int64
 }
 
@@ -142,4 +141,4 @@ func IsErrListDoesNotExist(err error) bool {
 
 func (err ErrListDoesNotExist) Error() string {
 	return fmt.Sprintf("List does not exist [ID: %d]", err.ID)
-}
\ No newline at end of file
+}
diff --git a/models/lists.go b/models/lists.go
index 957e0f6e..35224a5f 100644
--- a/models/lists.go
+++ b/models/lists.go
@@ -1,5 +1,6 @@
 package models
 
+// List represents a list of items
 type List struct {
 	ID          int64  `xorm:"int(11) autoincr not null unique pk" json:"id"`
 	Title       string `xorm:"varchar(250)" json:"title"`
@@ -10,7 +11,8 @@ type List struct {
 	Updated     int64  `xorm:"updated" json:"updated"`
 }
 
-func GetListByID(id int64) (list List, err error){
+// GetListByID returns a list by its ID
+func GetListByID(id int64) (list List, err error) {
 	list.ID = id
 	exists, err := x.Get(&list)
 	if err != nil {
@@ -32,6 +34,7 @@ func GetListByID(id int64) (list List, err error){
 	return list, nil
 }
 
+// CreateOrUpdateList updates a list or creates it if it doesn't exist
 func CreateOrUpdateList(list *List) (err error) {
 	// Check if it exists
 	_, err = GetListByID(list.ID)
diff --git a/routes/api/v1/lists_add_update.go b/routes/api/v1/lists_add_update.go
index 734c8974..b14cab23 100644
--- a/routes/api/v1/lists_add_update.go
+++ b/routes/api/v1/lists_add_update.go
@@ -1,13 +1,13 @@
 package v1
 
 import (
-	"net/http"
-	"github.com/labstack/echo"
 	"git.kolaente.de/konrad/list/models"
+	"github.com/labstack/echo"
+	"net/http"
 	"strconv"
-	"fmt"
 )
 
+// AddOrUpdateList Adds or updates a new list
 func AddOrUpdateList(c echo.Context) error {
 
 	// Get the list
@@ -36,9 +36,8 @@ func AddOrUpdateList(c echo.Context) error {
 		if err != nil {
 			if models.IsErrListDoesNotExist(err) {
 				return c.JSON(http.StatusBadRequest, models.Message{"The list does not exist."})
-			} else {
-				return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the list exists."})
 			}
+			return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the list exists."})
 		}
 	}
 
@@ -72,4 +71,4 @@ func AddOrUpdateList(c echo.Context) error {
 	}
 
 	return c.JSON(http.StatusOK, list)
-}
\ No newline at end of file
+}