diff --git a/plugins/inputs/diskio/README.md b/plugins/inputs/diskio/README.md
index 7646d264622f5..52175b5a437c7 100644
--- a/plugins/inputs/diskio/README.md
+++ b/plugins/inputs/diskio/README.md
@@ -165,5 +165,6 @@ diskio,name=sda write_time=49i,io_time=1317i,weighted_io_time=1404i,reads=2495i,
 
 ```text
 diskio,name=sda io_await:0.3317307692307692,io_svctm:0.07692307692307693,io_util:0.5329780146568954 1578326400000000000
+diskio,name=sda1 io_await:0.3317307692307692,io_svctm:0.07692307692307693,io_util:0.5329780146568954 1578326400000000000
 ```