diff --git a/README.md b/README.md
index 78556fc..5f865ef 100644
--- a/README.md
+++ b/README.md
@@ -11,10 +11,11 @@ Clone this project & cd into it:
     git clone https://github.com/Tile-OS/iso-builder && cd iso-builder
 
 Configure the channel in the etc/terraform.conf (dev, stable).
-Configue desktop in the /etc/terraform.conf (sway, river).
+Configure desktop by export DESKTOP variable. May be a river or sway. 
 
-Run the build:
+Run the build for Sway:
 
+    export DESKTOP=sway
     docker run --privileged -i -v /proc:/proc \
         -v ${PWD}:/working_dir \
         -w /working_dir \
diff --git a/etc/terraform.conf b/etc/terraform.conf
index 248516c..823f6b6 100644
--- a/etc/terraform.conf
+++ b/etc/terraform.conf
@@ -11,7 +11,6 @@ BASEVERSION="12"
 CODENAME="t-rex"
 
 # desktop name (sway, river)
-DESKTOP=sway
 
 # distribution version
 VERSION="1.0"