diff --git a/_field-types/supported-field-types/derived.md b/_field-types/supported-field-types/derived.md
index 2ca00927d1..d989c3e4a4 100644
--- a/_field-types/supported-field-types/derived.md
+++ b/_field-types/supported-field-types/derived.md
@@ -69,7 +69,7 @@ PUT logs
           }
         }
       },
-      "client_ip": {
+      "clientip": {
         "type": "keyword"
       }
     }