diff --git a/homeassistant/components/light/strings.json b/homeassistant/components/light/strings.json
index 72884616580a0..8be954f465355 100644
--- a/homeassistant/components/light/strings.json
+++ b/homeassistant/components/light/strings.json
@@ -323,6 +323,10 @@
         "transition": {
           "name": "[%key:component::light::services::turn_on::fields::transition::name%]",
           "description": "[%key:component::light::services::turn_on::fields::transition::description%]"
+        },
+        "flash": {
+          "name": "[%key:component::light::services::turn_on::fields::flash::name%]",
+          "description": "[%key:component::light::services::turn_on::fields::flash::description%]"
         }
       }
     },