diff --git a/readme.md b/readme.md
index cf78617..1c40d74 100644
--- a/readme.md
+++ b/readme.md
@@ -18,7 +18,7 @@ You need the following packages, to build OpenHantek from source:
 * libusb 1.x
 
 For debian based systems (Ubuntu, Mint) install named requirements like this:
-> apt-get install cmake libqt5-dev libfftw3-dev
+> apt-get install cmake qttools5-dev-tools libfftw3-dev
 
 For rpm based distributions (Fedora) use this command:
 > dnf install cmake qt5-qtbase-gui qt5-qttools-devel qt5-qttranslations fftw-devel libusbx-devel
@@ -26,7 +26,7 @@ For rpm based distributions (Fedora) use this command:
 After you've installed the requirements run the following commands inside the directory of this package:
 > qmake <br>
 > make <br>
-> make install
+> make install (optional, for installing only)
 
 You can specify a prefix when running qmake:
 > qmake PREFIX=/usr