diff --git a/.gitignore b/.gitignore
index 04f9310..c299611 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,10 +10,11 @@ env/
 umbraformat/uploads/
 umbraformat/formatted/
 
-# Documents / user scratch files (not part of the app source)
+# Generated documents / user scratch files (not part of the app source).
+# The .docx bisect fixtures under tests/ are regenerable via tests/*.py.
 *.docx
-!tests/*.docx
-!tests/word_bisect/*.docx
+*.epub
+*.pdf
 summary.txt
 Sections_Tags
 Word_to_PDF_print_formatting