fixed Books and Author details views urls

bellapanghulan_reading/bookshelf/urls.py

@@ -5,8 +5,8 @@ from .views import (Homepage, BooksListView, BooksDetailView, AuthorListView, Au
 
 urlpatterns = [
     path('authors/', AuthorListView.as_view(), name='authors'),
-    path('authors/<int:pk>/details', AuthorDetailView.as_view(), name='author-details'),
+    path('authors/<int:pk>/details/', AuthorDetailView.as_view(), name='author-details'),
     path('books/', BooksListView.as_view(), name='books'),
-    path('books/<int:pk>/details', BooksDetailView.as_view(), name='book-details'),
+    path('books/<int:pk>/details/', BooksDetailView.as_view(), name='book-details'),
     path('home/', Homepage.as_view(), name='home'),
 ]
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