From b7f853d28f37691ee896aca12ad2b3ae0b8499da Mon Sep 17 00:00:00 2001
From: stefan6419846 <96178532+stefan6419846@users.noreply.github.com>
Date: Thu, 27 Feb 2025 15:28:10 +0100
Subject: [PATCH] document jbig2dec in installation

---
 docs/user/installation.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/docs/user/installation.md b/docs/user/installation.md
index 56f86d089..27f7ac433 100644
--- a/docs/user/installation.md
+++ b/docs/user/installation.md
@@ -48,6 +48,14 @@ If you plan to use image extraction, you need Pillow:
 pip install pypdf[image]
 ```
 
+For JBIG2 support, you need to install a global OS-level package as well:
+[`jbig2dec`](https://github.com/ArtifexSoftware/jbig2dec) The installation procedure
+depends on our operating system. For Ubuntu, just use the following for example:
+
+```
+sudo apt-get install jbig2dec
+```
+
 ## Python Version Support
 
 Since pypdf 4.0, every release, including point releases, should work with all