Fixes a typo (#5351)

Fixed a typo in the code.

Author: DanZeuss

javascript/node/selenium-webdriver/README.md

@@ -37,7 +37,7 @@ also find the tests for selenium-webdriver informative.
       let driver = await new Builder().forBrowser('firefox').build();
       try {
         await driver.get('http://www.google.com/ncr');
-        await driver.findElement(By.name('q'));.sendKeys('webdriver', Key.RETURN);
+        await driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN);
         await driver.wait(until.titleIs('webdriver - Google Search'), 1000);
       } finally {
         await driver.quit();