From cae787ee820dac94423892b04641ae1d63747479 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 2 May 2023 07:17:56 +0530
Subject: [PATCH] ...

---
 src/calibre/db/cache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/db/cache.py b/src/calibre/db/cache.py
index fd996c4b29..d2b2b1b62a 100644
--- a/src/calibre/db/cache.py
+++ b/src/calibre/db/cache.py
@@ -2402,7 +2402,7 @@ class Cache:
         Example: Assume author A has link X, author B has link Y, tag S has link
         F, and tag T has link G. If book 1 has author A and tag T,
         this method returns {'authors':{'A':'X'}, 'tags':{'T', 'G'}}
-        If book 2's author is neither A nor B and has no tags, this method returns {}
+        If book 2's author is neither A nor B and has no tags, this method returns {}.
 
         :param book_id: the book id in question.