diff --git a/test/common/README.md b/test/common/README.md
index f3ef9a8b957aa3..a670e1327688a9 100644
--- a/test/common/README.md
+++ b/test/common/README.md
@@ -932,8 +932,8 @@ functionality.
 * `dir` [<string>][] Directory to search for diagnostic report files.
 * return [<Array>][]
 
-Returns an array of diagnotic report file names found in `dir`. The files should
-have been generated by a process whose PID matches `pid`.
+Returns an array of diagnostic report file names found in `dir`. The files
+should have been generated by a process whose PID matches `pid`.
 
 ### `validate(filepath)`