Steps:
1. Go to Our Work tab
2. Go to Search the NCDE Web Resource Library
3.  Click "tip sheets" content
4. Sign up for newsletter  
5. Enter invalid email with @ 
6. Click Submit
7. Observe error validation message  

Actual: Incorrect Validation Message

Expected: Should display correct validation message 

Screenshot: https://screencast-o-matic.com/watch/c3eFjiVF5q7