diff --git a/docs/en_US/edgex/edgex_rule_engine_tutorial.md b/docs/en_US/edgex/edgex_rule_engine_tutorial.md
index f707134f52..4f59384ea9 100644
--- a/docs/en_US/edgex/edgex_rule_engine_tutorial.md
+++ b/docs/en_US/edgex/edgex_rule_engine_tutorial.md
@@ -158,7 +158,7 @@ curl -X POST \
       "log":{}
     }
   ]
-}
+}'
 ```
 
 #### Option 2: Use Kuiper CLI