diff --git a/README.md b/README.md
index 3fd301c..46ed53c 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ Dangerzone can convert these types of document into safe PDFs:
 - GIF (`.gif`)
 - PNG (`.png`)
 - SVG (`.svg`)
-- other image formats (`.bmp`, `.pnm`, `pbm`, `ppm`)
+- other image formats (`.bmp`, `.pnm`, `.pbm`, `.ppm`)
 
 Dangerzone was inspired by [Qubes trusted PDF](https://blog.invisiblethings.org/2013/02/21/converting-untrusted-pdfs-into-trusted.html), but it works in non-Qubes operating systems. It uses containers as sandboxes instead of virtual machines (using Docker for macOS and Windows, and [podman](https://podman.io/) on Linux).
 
diff --git a/dangerzone/gui/main_window.py b/dangerzone/gui/main_window.py
index 6b23f6a..b27a145 100644
--- a/dangerzone/gui/main_window.py
+++ b/dangerzone/gui/main_window.py
@@ -562,7 +562,9 @@ class DocSelectionWidget(QtWidgets.QWidget):
             hwp_filters = ""
         self.file_dialog.setNameFilters(
             [
-                f"Documents (*.pdf *.docx *.doc *.docm *.xlsx *.xls *.pptx *.ppt *.odt *.odg *.odp *.ods {hwp_filters} *.epub *.jpg *.jpeg *.gif *.png *.tif *.tiff *.bpm *.pnm *.pbm *.ppm)"
+                "Documents (*.pdf *.docx *.doc *.docm *.xlsx *.xls *.pptx *.ppt *.odt"
+                f" *.odg *.odp *.ods {hwp_filters} *.epub *.jpg *.jpeg *.gif *.png"
+                " *.tif *.tiff *.bmp *.pnm *.pbm *.ppm *.svg)"
             ]
         )