doc

test/webdriver.spec.js

@@ -32,7 +32,7 @@ import {
  * 
  * serial here is because we are checking browser pids inside test.
  * if 2 tests run parallel in the same process,
- * there will have race conditions for the conflict
+ * there will have race conditions for the conflict of `getBrowserPids()`
  */ 
 test.serial('WebDriver process create & quit test', async t => {
   // co(function* () {