diff --git a/README.md b/README.md
index 06f2858..bb25e84 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,8 @@ Run check-mate:
 
     python3 check-mate.py --host meshtastic.local --location 'Base Camp'
 
+Then in a private channel on a different node to the one connected to `check-mate` send a message containing `radio check` or `mesh check` (case insensitive and spaces are ignored).
+
 ### Arguments
 
 | Arg           | Env            | Description                                                        |
diff --git a/check-mate.py b/check-mate.py
index bb2645a..c4db1c2 100644
--- a/check-mate.py
+++ b/check-mate.py
@@ -86,7 +86,7 @@ def onReceive(self, packet, interface):
                     self.logger.info("[Ignoring default channel] %s: %s", name, text)
                     return
 
-                if not re.search(r"radio\s*check", text, re.IGNORECASE):
+                if not re.search(r"(mesh|radio)\s*check", text, re.IGNORECASE):
                     self.logger.info(
                         "[Not a radio check] %s (channel %d): %s %d",
                         name,