diff --git a/v4-Installation.md b/v4-Installation.md
index 59c8bfb..33c353a 100644
--- a/v4-Installation.md
+++ b/v4-Installation.md
@@ -157,9 +157,9 @@ http {
 
 
 
-# InvoiceNinja Self Hosted on Debain 8 
+# InvoiceNinja Self Hosted on Debian 8 
 
-InvoiceNinja Self Hosted on Debain 8
+InvoiceNinja Self Hosted on Debian 8
 Deploy Invoice Ninja On Debian 8 Securely:
 
 ## Login as root then Update and install dependencies: