diff --git a/book/features/apa.md b/book/features/apa.md
index dfc20b3..a23bc61 100644
--- a/book/features/apa.md
+++ b/book/features/apa.md
@@ -30,7 +30,7 @@ Download this zip-file [`_ext.zip`](_ext.zip), which contains the necessary file
 
 ```
 book
-├── _ext.zip
+├── _ext/
 │   ├── pybtexapastyle/
 │   ├── apastyle.py
 │   ├── bracket_citation_style.py