diff --git a/src/vim9.h b/src/vim9.h
index fd28e5f..0f1a9ab 100644
--- a/src/vim9.h
+++ b/src/vim9.h
@@ -141,8 +141,9 @@
     ISN_NEGATENR,   // apply "-" to number
 
     ISN_CHECKNR,    // check value can be used as a number
-    ISN_CHECKTYPE,  // check value type is isn_arg.type.tc_type
+    ISN_CHECKTYPE,  // check value type is isn_arg.type.ct_type
     ISN_CHECKLEN,   // check list length is isn_arg.checklen.cl_min_len
+    ISN_SETTYPE,    // set dict type to isn_arg.type.ct_type
 
     ISN_PUT,	    // ":put", uses isn_arg.put