text fix

Author: Diego Mazo

docs/user/dappnode-app/dappnode-app-docs.md

@@ -83,7 +83,7 @@ Option 2: You can type the following in your browser search bar
 - chrome://apps/ (For Chrome)
 
 Option 3: You can access the Dappnode app using your **dyndns** (Dappnode's unique identifier) and **https** writing the domain below in the browser:  
-https://pwa.dyndns.io
+https://pwa."your-dyndns".io
 e.g. https://pwa.e17cb74a302298e6.dyndns.dappnode.io/
 You can find your dyndns in the top right icon in the Dappmanager.
 ![dyndns](/img/dyndns.png)
@@ -99,7 +99,8 @@ In Safari go to: System Settings/Notifications
 
 #### What are the requirements to use the Dappnode app?
 
-You need to update to Dappnode Core v0.3.2 
+You need to update at least to Dappnode Core v0.3.2.
+
 Default packages like Https, Notifications and Bind will be updated automatically with the Core update.
 A VPN connection is needed to have the Dappnode App working.