Updated Ubuntu (markdown)
diff --git a/Ubuntu.md b/Ubuntu.md
index 43929d1..46d052d 100644
--- a/Ubuntu.md
+++ b/Ubuntu.md
@@ -32,4 +32,6 @@
 sudo add-apt-repository ppa:longsleep/golang-backports
 sudo apt-get update
 sudo apt-get install golang-go
-```
\ No newline at end of file
+```
+
+> **Note that golang-go installs latest Go as default Go. If you do not want that, install `golang-1.11` instead and use the binaries from /usr/lib/go-1.11/bin.**