diff --git a/README.md b/README.md
index 59ad789..e6c2fd5 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ UPDATE: Implemented send/receive pipeline with the NDI protocol.
 ## Installation
 
 ### Requirements
-1. Install Gstreamer from the following tutorial: Как_устанавливать_GStreamer.pdf included in this repository.
+1. Install Gstreamer from the following tutorial: Как_устанавливать_GStreamer.pdf included in this repository. (NOTE: The PDF reader in Gitea can show broken files. If that's the case please use the other reader)
 
 ### Building
 1. `mkdir build && cd build`