diff --git a/Updating-your-SDK.md b/Updating-your-SDK.md
index 2a68ba0..66b5e59 100644
--- a/Updating-your-SDK.md
+++ b/Updating-your-SDK.md
@@ -24,6 +24,8 @@ therefore refuse to overwrite the files from above-mentioned packages.
 
 To keep the development environment up-to-date, developers need to run
 
+	update-core
+	# If one of the packages is updated during update-core you *MUST* restart MSys2
 	pacman -Syu
 
 from time to time.