diff --git a/README.md b/README.md
index e479b54..934c70c 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ The program includes many cleaning rules and several complex cleaning routines.
 
 For a comprehensive subtitles editor, use [Subtitle Edit](https://www.nikse.dk/subtitleedit "Subtitle Edit").
 
+Subtitles Cleaner requires .NET Framework 4.8 Runtime to run.
+
 ## Subtitles Cleaner Editor
 
 ![Subtitles Cleaner Editor](./Solution%20Items/Images/SubtitlesCleanerEditor.jpg "Subtitles Cleaner Editor")