diff --git a/README.md b/README.md
index 973956b..3a76cab 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Current Movim version : 0.9 git2015-12-15
 
 1.3 2015-12-15
 - Update to Movim 0.9 git2015-12-15
-- script/upgrade : reinstall composer instead of update
+- script/upgrade : reinstall composer instead of update (Movim requirement)
 
 1.2 2015-11-14
 - script/install : fix #11 (composer prompt user, and db needs upgrade)