diff --git a/src/epub/content.opf b/src/epub/content.opf
index 28075a1..8b38c2f 100644
--- a/src/epub/content.opf
+++ b/src/epub/content.opf
@@ -57,7 +57,7 @@
en-GB
https://www.gutenberg.org/ebooks/944
https://archive.org/details/voyageofbeagle0029char
- 198826
+ 198824
53.55
https://en.wikipedia.org/wiki/The_Voyage_of_the_Beagle
https://github.com/standardebooks/charles-darwin_the-voyage-of-the-beagle