diff --git a/README.md b/README.md
index ca09da4a..410faac2 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,8 @@ They are:
   For installation instructions see the installation notes file contained in
   the release package.
 
-  Alternatively, you use [getsysc.sh](./getsysc.sh)
+  Alternatively, you can use [getsysc.sh](./getsysc.sh). First read and
+  understand the script than execute it.
 
 - qwt-6.1.3