diff --git a/develop/doc/operators.json b/develop/doc/operators.json
index b13829be0318ac1f90ed87208238fc68915b7f89..aa3b06cef0cf56f2898cf2813cf36fac07ad036c 100644
--- a/develop/doc/operators.json
+++ b/develop/doc/operators.json
@@ -2485,7 +2485,7 @@
  }, { 
    "name" : "device_type",
    "type" : "string",
-   "comment" : "device type must be in [\"CPU\", \"CUDA\"]",
+   "comment" : "device type",
    "generated" : 0
  } ] 
 },{