Stronger and more specific warning.

diff --git a/doc/install/installation.md b/doc/install/installation.md
index e0f542f..68fa066 100644 (file)
--- a/doc/install/installation.md
+++ b/doc/install/installation.md
@@ -156,7 +156,7 @@ To setup the MySQL/PostgreSQL database and dependencies please see [`doc/install
     sudo -u git -H git checkout 5-3-stable
 
 **Note:**
-You can change `5-3-stable` to `master` if you want the *bleeding edge* version, but do so with caution!
+You can change `5-3-stable` to `master` if you want the *bleeding edge* version, but never install master on a production server!
 
 ## Configure it