Fix hint message when using deprecated polybar-msg hook

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - `tray-offset-x`, `tray-offset-y`, `offset-x`, and `offset-y` were mistakenly capped below at 0 ([`#2620`](https://github.com/polybar/polybar/pull/2620))
 - `custom/script`: Polybar shutdown being stalled by hanging script ([`#2621`](https://github.com/polybar/polybar/pull/2621))
+- `polybar-msg`: Wrong hint when using deprecated `hook` ([`#2624`](https://github.com/polybar/polybar/pull/2624))
 
 ## [3.6.0] - 2022-03-01
 ### Breaking

src/polybar-msg.cpp

@@ -141,7 +141,7 @@ static std::pair<ipc::type_t, string> parse_message(deque<string> args) {
 
       fprintf(stderr,
           "Warning: Using IPC hook commands is deprecated, use the hook action on the ipc module: %s %s \"%s\"\n", exec,
-          ipc_type.c_str(), ipc_payload.c_str());
+          "action", ipc_payload.c_str());
     }
   }