diff --git a/CMakeLists.txt b/CMakeLists.txt
index c89c565f0..3b05b31c0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
-#cmake -DCMAKE_BUILD_TYPE=Release .
-#cmake -DCMAKE_BUILD_TYPE=Debug .
+#cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr .
+#cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=/usr .
 #cmake -DGENERATE_DEB=1 -DDEB_ARCHITECTURE=i386|amd64|armhf -DDEB_DISTRO=stretch -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release .
 #cmake -DCMAKE_BUILD_TYPE=Release -DLINK_STATICALLY=true .