diff --git a/python/servo/testing_commands.py b/python/servo/testing_commands.py
index f3963b026a12..97bf8635190e 100644
--- a/python/servo/testing_commands.py
+++ b/python/servo/testing_commands.py
@@ -403,7 +403,7 @@ def wptrunner(self, run_file, **kwargs):
         return run_globals["run_tests"](**kwargs)
 
     @Command('update-manifest',
-             description='run test-wpt --manifest-update SKIP_TESTS to regenerate MANIFEST.json',
+             description='Run test-wpt --manifest-update SKIP_TESTS to regenerate MANIFEST.json',
              category='testing',
              parser=create_parser_wpt)
     def update_manifest(self, **kwargs):
@@ -494,7 +494,7 @@ def update_css(self, patch, **kwargs):
         return run_globals["update_tests"](**kwargs)
 
     @Command('compare_dromaeo',
-             description='compare outputs of two runs of ./mach test-dromaeo command',
+             description='Compare outputs of two runs of ./mach test-dromaeo command',
              category='testing')
     @CommandArgument('params', default=None, nargs="...",
                      help=" filepaths of output files of two runs of dromaeo test ")