Merge pull request awsdocs#181 from vlad-bezden/patch-1

Fix title of the checked web site

Author: mwunderl

doc_source/services-cloudwatchevents-tutorial.md

@@ -33,7 +33,7 @@ This tutorial assumes that you have some knowledge of basic Lambda operations an
    + **Enabled** – True \(checked\)\.
    + **Environment variables**
      + **site** – **https://docs\.aws\.amazon\.com/lambda/latest/dg/welcome\.html**\.
-     + **expected** – **What Is AWS Lambda?**\.
+     + **expected** – **What is AWS Lambda?**\.
 
 1. Choose **Create function**\.
 
@@ -121,4 +121,4 @@ Update the function configuration to cause the function to return an error, whic
 
 1. Choose **Save**\.
 
-Wait a minute, and then check your email for a message from Amazon SNS\.
+Wait a minute, and then check your email for a message from Amazon SNS\.