diff --git a/.cspell.json b/.cspell.json
index 7abb52d..fb28d7f 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -1597,6 +1597,7 @@
     "rstar",
     "rsyslog",
     "RTKLIB",
+    "rtmdet",
     "RTNL",
     "RTPS",
     "rtree",