diff --git a/tools/run_tests/README.md b/tools/run_tests/README.md
index 05d33fd6b1ca40c1aedee9bead392577d00fe922..60f20747cd0ead5c3c9e811b888080b0e4119654 100644
--- a/tools/run_tests/README.md
+++ b/tools/run_tests/README.md
@@ -33,7 +33,7 @@ the script also supports orchestrating test runs with client and server running
 to BigQuery.
 
 ###### Example
-`tools/run_tests/run_peformance_tests.py -l c++ node`
+`tools/run_tests/run_performance_tests.py -l c++ node`
 
 ###### Useful options
 - `--regex` use regex to select particular scenarios to run.