From fef05f17a6349919c2f48b967cf8cb9210e3fbca Mon Sep 17 00:00:00 2001
From: "Glenn Y. Rolland" <glenux@glenux.net>
Date: Tue, 3 Mar 2020 22:03:26 +0100
Subject: [PATCH] Update doc (minor)

---
 README.md | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8c042a7..df8e516 100644
--- a/README.md
+++ b/README.md
@@ -4,12 +4,19 @@
 
 Push docker image to remote dokku server then deploy it
 
+
+## Prerequisites
+
+Make sure you have crystal (>= 0.31) installed on your system.
+
+
 ## Installation
 
-Run the following comand
+Run the following command:
 
     make build
 
+
 ## Usage
 
 Show help