diff --git a/common/autoware_testing/design/autoware_testing-design.md b/common/autoware_testing/design/autoware_testing-design.md
index 71e3e9815cfb9..d1290bef41da1 100644
--- a/common/autoware_testing/design/autoware_testing-design.md
+++ b/common/autoware_testing/design/autoware_testing-design.md
@@ -38,7 +38,7 @@ Where
 
 `<executable_name>` - [required] tested node executable name.
 
-`<param_filename>` - [optional] param filename. Default value is `test.param.yaml`. Required mostly in situation where there are multiple smoke tests in a package and each requires different paramteres set
+`<param_filename>` - [optional] param filename. Default value is `test.param.yaml`. Required mostly in situation where there are multiple smoke tests in a package and each requires different parameters set
 
 `<arguments>` - [optional] arguments passed to executable. By default no arguments are passed.