diff --git a/README.md b/README.md
index 63b7e9fa..a0b8360a 100644
--- a/README.md
+++ b/README.md
@@ -27,10 +27,13 @@ see colours.json file
 This is in the pdf folder.
 
 # Install
+```
 conda install nodejs
 npm install
 sudo npm install -g --save electron --unsafe-perm=true --allow-root
-- for merge - have imagemagick installed
+```
+
+- for merge - have imagemagick and ghostscript installed
 
 
 # Montage setup