diff --git a/book.json b/book.json
index a9b1c192..59e0ee37 100644
--- a/book.json
+++ b/book.json
@@ -1,5 +1,5 @@
 {
     "title": "Clever",
     "author": "Copter Express",
-    "language": "ru",
+    "language": "ru"
 }
\ No newline at end of file