diff --git a/Installing-the-nxdk.md b/Installing-the-nxdk.md
index 9b6f576..a6034da 100644
--- a/Installing-the-nxdk.md
+++ b/Installing-the-nxdk.md
@@ -15,7 +15,7 @@ and paste this string at the end of the list:
 
 `deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial main`
 
-then refresh, with:
+then save the file and quit (ctrl+x and then press the 'y' to save). Now it is time to refresh, with:
 
 `sudo apt-get update && sudo apt-get upgrade`