Update README.md

diff --git a/README.md b/README.md
index 18704821d4334aa33ed408b4ff47727a30130d85..e217314db1c3ec3c67676a36b0d6c1beda25755e 100644 (file)
--- a/README.md
+++ b/README.md
@@ -3,4 +3,7 @@
 Displays subtitles in pure html/javascript/css. No server, no phoning home,
 just views .srt files.
 
+Best viewed in landscape mode (left-to-right width greater than up-to-down
+height).
+
 [Self hosted instance here](https://burnedkirby.com/subtitle)