diff --git a/Setup/Providers/ProtonVPN.md b/Setup/Providers/ProtonVPN.md
index 837fe72..b88978d 100644
--- a/Setup/Providers/ProtonVPN.md
+++ b/Setup/Providers/ProtonVPN.md
@@ -44,6 +44,12 @@ Simply set the `SERVER_HOSTNAMES` environment variable to a hostname correspondi
 
 For example setting `SERVER_HOSTNAMES=ch-us-01a.protonvpn.com` would set a multi hop with entry in Switzerland and exit in the US.
 
+## Moderate NAT/NAT Type 2
+
+Paid ProtonVPN subscribers can optionally use [Moderate NAT](https://protonvpn.com/support/moderate-nat/) on their connections.
+
+To do so, the OpenVPN username assigned by ProtonVPN should have `+nr` appended to the end of it.
+
 ## Servers
 
 ⚠️ this information may become outdated, see [Outdated servers](Outdated-servers)