chore: Update forwarding docs (#503)

Author: samuelask

docs/velocity/admin/getting-started/forwarding.md

@@ -73,7 +73,7 @@ Velocity modern forwarding with a modded server using Fabric.
 ## Configuring modern forwarding for Forge
 
 A mod called [ProxyCompatibleForge](https://modrinth.com/mod/proxy-compatible-forge) allows you to use
-Velocity modern forwarding with a modded server using Forge 1.16.5 or higher.
+Velocity modern forwarding with a modded server using Forge 1.14 or higher.
 
 ## Configuring legacy BungeeCord-compatible forwarding
 
@@ -88,7 +88,7 @@ options to secure your server so that nothing aside from the proxy can connect t
 `legacy` forwarding is the player information forwarding protocol that is used by BungeeCord when
 enabling IP forwarding from BungeeCord. Due to this, it is ubiquitous and well-supported by most
 server implementations. It has excellent compatibility (supporting versions as old as 1.7.2,
-released in 2013) and will work with Forge if you also install SpongeForge on your modded server and
+released in 2013) and will work with Forge if you also install SpongeForge/BungeeForge on your modded server and
 configure it correctly. However, it is not secure.
 
 If you must use BungeeCord-compatible forwarding, simply set your `player-info-forwarding-mode` setting
@@ -111,6 +111,11 @@ To configure Sponge to understand the data forwarded from Velocity, you will nee
 first, set `modules.bungeecord` to `true` and `bungeecord.ip-forwarding` to `true` in your
 `config/sponge/global.conf` file, and then restart your Sponge server.
 
+### Configuring legacy forwarding for Forge
+
+To configure Forge to understand the data forwarded from Velocity, you will need to stop the server
+first, download your correct [BungeeForge](https://github.com/caunt/BungeeForge/releases) version and place the mod into the mods folder, and then restart your Forge server.
+
 ### Configuring legacy forwarding for Fabric
 
 :::caution

docs/velocity/admin/reference/server-compatibility.mdx

@@ -77,7 +77,7 @@ or [SpongeForge](https://spongepowered.org/downloads/spongeforge) mod correspond
 
 Minecraft Forge for Minecraft 1.7.2-1.12.2 is fully compatible with Velocity, as we make special
 provisions to synchronize client state with each server. However, we **strongly** recommend the use
-of SpongeForge, as it allows you to use legacy BungeeCord player info forwarding and generally
+of SpongeForge or BungeeForge, as it allows you to use legacy BungeeCord player info forwarding and generally
 improves proxy support in general.
 
 Velocity does not support Forge-Bukkit hybrids - they have caused several issues, and the design of