diff --git a/.cspell.json b/.cspell.json
index 0e4c41a..116dcf0 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -59,10 +59,12 @@
     "rosdistro",
     "rosidl",
     "schematypens",
+    "urdf",
     "vcstool",
     "velodyne",
     "Wextra",
     "Wpedantic",
+    "xacro",
     "XYZIR"
   ]
 }