diff --git a/README.md b/README.md
index 9aee225..271f9b4 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,7 @@ Then, build niri with `cargo build --release`.
 ### NixOS/Nix
 
 We have a community-maintained flake which provides a devshell with required dependencies. Use `nix build` to build niri, and then run `./results/bin/niri`.
-    
+
 If you're not on NixOS, you may need [NixGL](https://github.com/nix-community/nixGL) to run the resulting binary:
 
 ```
@@ -131,21 +131,6 @@ In particular, it supports file choosers and monitor screencasting (e.g. to [OBS
 
 [This wiki page](https://github.com/YaLTeR/niri/wiki/Important-Software) explains how to run important software required for normal desktop use, including portals.
 
-### Xwayland
-
-See [the wiki page](https://github.com/YaLTeR/niri/wiki/Xwayland) to learn how to use Xwayland with niri.
-
-### IPC
-
-You can communicate with the running niri instance over an IPC socket.
-Check `niri msg --help` for available commands.
-
-The `--json` flag prints the response in JSON, rather than formatted.
-For example, `niri msg --json outputs`.
-
-For programmatic access, check the [niri-ipc sub-crate](./niri-ipc/) which defines the types.
-The communication over the IPC socket happens in JSON.
-
 ## Configuration
 
 Niri will load configuration from `$XDG_CONFIG_HOME/.config/niri/config.kdl` or `~/.config/niri/config.kdl`.
diff --git a/wiki/IPC.md b/wiki/IPC.md
new file mode 100644
index 0000000..853c3c3
--- /dev/null
+++ b/wiki/IPC.md
@@ -0,0 +1,12 @@
+You can communicate with the running niri instance over an IPC socket.
+Check `niri msg --help` for available commands.
+
+The `--json` flag prints the response in JSON, rather than formatted.
+For example, `niri msg --json outputs`.
+
+For programmatic access, check the [niri-ipc sub-crate](./niri-ipc/) which defines the types.
+The communication over the IPC socket happens in JSON.
+
+> [!TIP]
+> If you're getting parsing errors from `niri msg` after upgrading niri, make sure that you've restarted niri itself.
+> You might be trying to run a newer `niri msg` against an older `niri` compositor.
diff --git a/wiki/_Sidebar.md b/wiki/_Sidebar.md
index 23aa65c..da8566f 100644
--- a/wiki/_Sidebar.md
+++ b/wiki/_Sidebar.md
@@ -2,6 +2,7 @@
 * [Example systemd Setup](./Example-systemd-Setup.md)
 * [Important Software](./Important-Software.md)
 * [Layer‐Shell Components](./Layer%E2%80%90Shell-Components.md)
+* [`niri msg`](./IPC.md)
 * [VSCode, Chromium, WezTerm](./Application-Issues.md)
 * [Xwayland](./Xwayland.md)