Fix typo

Change-Id: If4cbd44aee7bea703eac3b514f3dcbe8b04937f6

web/web_test_runner.sh

diff --git a/web/web_test_runner.sh b/web/web_test_runner.sh
index 60c35ba..766eb6a 100755
--- a/web/web_test_runner.sh
+++ b/web/web_test_runner.sh
@@ -4,4 +4,4 @@
 ./$1 --config $2 \
   --dir 'plugins/delete-project/web/_bazel_ts_out_tests' \
   --test-files 'plugins/delete-project/web/_bazel_ts_out_tests/*_test.js' \
-  --type-config="plugins/delete-project/web/tsconfig.json"
+  --ts-config="plugins/delete-project/web/tsconfig.json"