fix in 8 to make ci happy

hjwp · hjwp · commit ab78592c5c3d · 2024-03-10T23:50:08.000Z
diff --git a/chapter_08_prettification.asciidoc b/chapter_08_prettification.asciidoc
@@ -1053,7 +1053,7 @@ static/
         ├── [...]
         └── bootstrap.min.js.map
 
-17 directories, 169 files
+16 directories, 169 files
 ----
 
 `collectstatic` has also picked up all the CSS for the admin site.
