diff --git a/README.md b/README.md
index 37cbe0b..5606708 100644
--- a/README.md
+++ b/README.md
@@ -70,9 +70,9 @@ fluentd-ui has the same tasks of `bundle gem foobar; cd foobar; rake -T`.
 
 ![setting](./docs/screenshots/setting.gif)
 
-### in_file setting
+### in_tail setting
 
-![in_file](./docs/screenshots/in_file.gif)
+![in_tail](./docs/screenshots/in_tail.gif)
 
 ## Plugin
 
diff --git a/docs/screenshots/in_file.gif b/docs/screenshots/in_tail.gif
similarity index 100%
rename from docs/screenshots/in_file.gif
rename to docs/screenshots/in_tail.gif