Add install and upgrade words in readme

diff --git a/README.md b/README.md
index b30de208b9043ba115b5ec190b0a3a8cf79b96be..3b8c44e97afea4afa085816220f693f353c393a9 100644 (file)
--- a/README.md
+++ b/README.md
@@ -151,7 +151,7 @@ Feel free to reach out if you have any questions or ideas! :speech_balloon:
   * **yarn >= 1.x**
   * **FFmpeg >= 3.x**
 
-See the [production guide](/support/doc/production.md), which is the recommended way.
+See the [production guide](/support/doc/production.md), which is the recommended way to install or upgrade PeerTube.
 
 See the [community packages](https://docs.joinpeertube.org/#/install-unofficial), which cover various platforms (including [YunoHost](https://install-app.yunohost.org/?app=peertube) and [Docker](/support/doc/docker.md)).