Typo in the apt-get command

Typo in the apt-get command

docs/debian.md

@@ -32,7 +32,7 @@ Debian Jessie installation Notes:
 
 - Install Jinja2 and Python-Netaddr
 
-  ```sudo apt-get install phyton-jinja2=2.8-1~bpo8+1 python-netaddr```
+  ```sudo apt-get install python-jinja2=2.8-1~bpo8+1 python-netaddr```
   
   
 Now you can continue with [Preparing your deployment](getting-started.md#starting-custom-deployment)