diff --git a/README.md b/README.md
index 226001ec..f809eb95 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,9 @@
 
 Toucan is a markdown-based Static Site Generator (SSG) written in Swift.
 
+## Prerequisite
+Ensure you have `Swift` installed. For instructions check [how to install swift](https://www.swift.org/install/)
+
 ## Install
 
 Clone or download the repository & run:
@@ -11,6 +14,8 @@ Clone or download the repository & run:
 git clone https://github.com/toucansites/toucan.git
 cd toucan
 make install
+# alternatively, if you encounter permission errors:
+# sudo !!
 # verify installation
 which toucan
 ```