diff --git a/README b/README
index bbdaafa..c43cf3e 100644
--- a/README
+++ b/README
@@ -1,11 +1,11 @@
-Simple image viewer with multithreaded image loading
+FITS/XISF image viewer with multithreaded image loading
 
 To get all dependencies install these packages
 
-    sudo apt install qtbase5-dev libraw-dev libexif-dev libcfitsio-dev
+    sudo apt install qtbase5-dev libraw-dev libexif-dev libcfitsio-dev libgsl-dev cmake
 
-Then to build run
+Then to build run standard cmake
 
-    qmake .
+    cmake -B build -S .
     make
     ./tenmon