diff --git a/routes/api/v1/authors_add_update.go b/routes/api/v1/authors_add_update.go
index 7f1e551..238e5fe 100644
--- a/routes/api/v1/authors_add_update.go
+++ b/routes/api/v1/authors_add_update.go
@@ -50,11 +50,11 @@ func AuthorAddOrUpdate(c echo.Context) error {
 	if datAuthor.ID != 0 {
 		_, exists, err := models.GetAuthorByID(datAuthor.ID)
 		if err != nil {
-			return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the author exists"})
+			return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the author exists."})
 		}
 
 		if !exists {
-			return c.JSON(http.StatusNotFound, models.Message{"The author does not exist"})
+			return c.JSON(http.StatusNotFound, models.Message{"The author does not exist."})
 		}
 	}
 
@@ -68,7 +68,7 @@ func AuthorAddOrUpdate(c echo.Context) error {
 	// Log the action
 	err = models.LogAction("Added or updated an author", newAuthor.ID, c)
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log."})
 	}
 
 	return c.JSON(http.StatusOK, newAuthor)
diff --git a/routes/api/v1/authors_list.go b/routes/api/v1/authors_list.go
index 47bb978..44ef82c 100644
--- a/routes/api/v1/authors_list.go
+++ b/routes/api/v1/authors_list.go
@@ -15,7 +15,7 @@ func AuthorsList(c echo.Context) error {
 	list, err := models.ListAuthors(search)
 
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Error getting authors"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Error getting authors."})
 	}
 
 	return c.JSON(http.StatusOK, list)
diff --git a/routes/api/v1/book_show.go b/routes/api/v1/book_show.go
index 7816cba..b00f7b4 100644
--- a/routes/api/v1/book_show.go
+++ b/routes/api/v1/book_show.go
@@ -22,7 +22,7 @@ func BookShow(c echo.Context) error {
 	bookInfo, exists, err := models.GetBookByID(bookID)
 
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not get book infos"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not get book infos."})
 	}
 
 	// Check if it exists
diff --git a/routes/api/v1/books_add_update.go b/routes/api/v1/books_add_update.go
index 97546bb..7d2f9a1 100644
--- a/routes/api/v1/books_add_update.go
+++ b/routes/api/v1/books_add_update.go
@@ -17,7 +17,7 @@ func BookAddOrUpdate(c echo.Context) error {
 
 	if bookFromString == "" {
 		if err := c.Bind(&datBook); err != nil {
-			return c.JSON(http.StatusBadRequest, models.Message{"No book model provided"})
+			return c.JSON(http.StatusBadRequest, models.Message{"No book model provided."})
 		}
 	} else {
 		// Decode the JSON
@@ -36,7 +36,7 @@ func BookAddOrUpdate(c echo.Context) error {
 		bookID, err := strconv.ParseInt(id, 10, 64)
 
 		if err != nil {
-			return c.JSON(http.StatusInternalServerError, models.Message{"Could not get book id"})
+			return c.JSON(http.StatusInternalServerError, models.Message{"Could not get book id."})
 		}
 		datBook.ID = bookID
 	}
@@ -45,11 +45,11 @@ func BookAddOrUpdate(c echo.Context) error {
 	if datBook.ID != 0 {
 		_, exists, err := models.GetBookByID(datBook.ID)
 		if err != nil {
-			return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the book exists"})
+			return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the book exists."})
 		}
 
 		if !exists {
-			return c.JSON(http.StatusNotFound, models.Message{"The book does not exist"})
+			return c.JSON(http.StatusNotFound, models.Message{"The book does not exist."})
 		}
 	}
 
@@ -68,7 +68,7 @@ func BookAddOrUpdate(c echo.Context) error {
 	// Log the action
 	err = models.LogAction("Added or updated a book", newBook.ID, c)
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log."})
 	}
 
 	return c.JSON(http.StatusOK, newBook)
diff --git a/routes/api/v1/books_list.go b/routes/api/v1/books_list.go
index ad65d29..1e32982 100644
--- a/routes/api/v1/books_list.go
+++ b/routes/api/v1/books_list.go
@@ -18,7 +18,7 @@ func BookList(c echo.Context) error {
 
 	if err != nil {
 		fmt.Println(err)
-		return c.JSON(http.StatusInternalServerError, models.Message{"Error getting books"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Error getting books."})
 	}
 
 	return c.JSON(http.StatusOK, list)
diff --git a/routes/api/v1/items_add_update.go b/routes/api/v1/items_add_update.go
index 4620560..de07876 100644
--- a/routes/api/v1/items_add_update.go
+++ b/routes/api/v1/items_add_update.go
@@ -17,7 +17,7 @@ func ItemAddOrUpdate(c echo.Context) error {
 
 	if itemFromString == "" {
 		if err := c.Bind(&datItem); err != nil {
-			return c.JSON(http.StatusBadRequest, models.Message{"No item model provided"})
+			return c.JSON(http.StatusBadRequest, models.Message{"No item model provided."})
 		}
 	} else {
 		// Decode the JSON
@@ -36,7 +36,7 @@ func ItemAddOrUpdate(c echo.Context) error {
 		itemID, err := strconv.ParseInt(id, 10, 64)
 
 		if err != nil {
-			return c.JSON(http.StatusInternalServerError, models.Message{"Could not get item id"})
+			return c.JSON(http.StatusInternalServerError, models.Message{"Could not get item ID."})
 		}
 		datItem.ID = itemID
 	}
@@ -45,11 +45,11 @@ func ItemAddOrUpdate(c echo.Context) error {
 	if datItem.ID != 0 {
 		_, exists, err := models.GetItemByID(datItem.ID)
 		if err != nil {
-			return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the item exists"})
+			return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the item exists."})
 		}
 
 		if !exists {
-			return c.JSON(http.StatusNotFound, models.Message{"The item does not exist"})
+			return c.JSON(http.StatusNotFound, models.Message{"The item does not exist."})
 		}
 	}
 
@@ -63,7 +63,7 @@ func ItemAddOrUpdate(c echo.Context) error {
 	// Log the action
 	err = models.LogAction("Added or updated an item", newItem.ID, c)
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log."})
 	}
 
 	return c.JSON(http.StatusOK, newItem)
diff --git a/routes/api/v1/items_delete.go b/routes/api/v1/items_delete.go
index ec52041..be9c4df 100644
--- a/routes/api/v1/items_delete.go
+++ b/routes/api/v1/items_delete.go
@@ -23,7 +23,7 @@ func ItemDelete(c echo.Context) error {
 	_, exists, err := models.GetItemByID(itemID)
 
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not get item"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not get item."})
 	}
 
 	if !exists {
@@ -34,13 +34,13 @@ func ItemDelete(c echo.Context) error {
 	err = models.DeleteItemByID(itemID)
 
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not delete item"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not delete item."})
 	}
 
 	// Log the action
 	err = models.LogAction("Deleted an item", itemID, c)
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log."})
 	}
 
 	return c.JSON(http.StatusOK, models.Message{"success"})
diff --git a/routes/api/v1/items_list.go b/routes/api/v1/items_list.go
index fd4b9c5..5b5752b 100644
--- a/routes/api/v1/items_list.go
+++ b/routes/api/v1/items_list.go
@@ -15,7 +15,7 @@ func ItemsList(c echo.Context) error {
 	list, err := models.ListItems(search)
 
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Error getting items"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Error getting items."})
 	}
 
 	return c.JSON(http.StatusOK, list)
diff --git a/routes/api/v1/publishers_add_update.go b/routes/api/v1/publishers_add_update.go
index c3c85a2..b52ba26 100644
--- a/routes/api/v1/publishers_add_update.go
+++ b/routes/api/v1/publishers_add_update.go
@@ -18,7 +18,7 @@ func PublisherAddOrUpdate(c echo.Context) error {
 	if publisherFromString == "" {
 		// b := new(models.Publisher)
 		if err := c.Bind(&datPublisher); err != nil {
-			return c.JSON(http.StatusBadRequest, models.Message{"No publisher model provided"})
+			return c.JSON(http.StatusBadRequest, models.Message{"No publisher model provided."})
 		}
 	} else {
 		// Decode the JSON
@@ -37,7 +37,7 @@ func PublisherAddOrUpdate(c echo.Context) error {
 		publisherID, err := strconv.ParseInt(id, 10, 64)
 
 		if err != nil {
-			return c.JSON(http.StatusInternalServerError, models.Message{"Could not get item id"})
+			return c.JSON(http.StatusInternalServerError, models.Message{"Could not get item id."})
 		}
 		datPublisher.ID = publisherID
 	}
@@ -46,11 +46,11 @@ func PublisherAddOrUpdate(c echo.Context) error {
 	if datPublisher.ID != 0 {
 		_, exists, err := models.GetPublisherByID(datPublisher.ID)
 		if err != nil {
-			return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the publisher exists"})
+			return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the publisher exists."})
 		}
 
 		if !exists {
-			return c.JSON(http.StatusNotFound, models.Message{"The publisher does not exist"})
+			return c.JSON(http.StatusNotFound, models.Message{"The publisher does not exist."})
 		}
 	}
 
@@ -64,7 +64,7 @@ func PublisherAddOrUpdate(c echo.Context) error {
 	// Log the action
 	err = models.LogAction("Added or updated a publisher", newPublisher.ID, c)
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log."})
 	}
 
 	return c.JSON(http.StatusOK, newPublisher)
diff --git a/routes/api/v1/publishers_delete.go b/routes/api/v1/publishers_delete.go
index e7e0a91..d6bf241 100644
--- a/routes/api/v1/publishers_delete.go
+++ b/routes/api/v1/publishers_delete.go
@@ -16,14 +16,14 @@ func PublisherDelete(c echo.Context) error {
 	publisherID, err := strconv.ParseInt(id, 10, 64)
 
 	if err != nil {
-		return c.JSON(http.StatusBadRequest, models.Message{"Publisher ID is invalid"})
+		return c.JSON(http.StatusBadRequest, models.Message{"Publisher ID is invalid."})
 	}
 
 	// Check if the publisher exists
 	_, exists, err := models.GetPublisherByID(publisherID)
 
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not get publisher"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not get publisher."})
 	}
 
 	if !exists {
@@ -34,13 +34,13 @@ func PublisherDelete(c echo.Context) error {
 	err = models.DeletePublisherByID(publisherID)
 
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not delete publisher"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not delete publisher."})
 	}
 
 	// Log the action
 	err = models.LogAction("Deleted a publisher", publisherID, c)
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not log."})
 	}
 
 	return c.JSON(http.StatusOK, models.Message{"success"})
diff --git a/routes/api/v1/publishers_list.go b/routes/api/v1/publishers_list.go
index 13ec35b..8d7ef24 100644
--- a/routes/api/v1/publishers_list.go
+++ b/routes/api/v1/publishers_list.go
@@ -15,7 +15,7 @@ func PublishersList(c echo.Context) error {
 	list, err := models.ListPublishers(search)
 
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, models.Message{"Error getting publishers"})
+		return c.JSON(http.StatusInternalServerError, models.Message{"Error getting publishers."})
 	}
 
 	return c.JSON(http.StatusOK, list)