Update README.md

update license description

Author: kathyz95

Classroom Challenge Projects/README.md

@@ -31,7 +31,7 @@ Please Note: To participate in the MathWorks Classroom Challenge Projects progra
 ## MATLAB and Simulink Access 🔑 
 1.	If your classroom or program is taking place at an institution of higher education, you may already have access to all needed products through Campus-Wide access or an Academic Teaching License. To verify your license type and the products you have access to, visit [the MathWorks license center](https://www.mathworks.com/licensecenter/) and sign in to your MathWorks account. Click on the license number to see a list of licensed products.
 2.	 If you are a secondary school teacher, learn more about the [Primary and Secondary School License](https://www.mathworks.com/products/primary-and-secondary-schools.html).
-3.	If your program is part of a non-degree granting, non-profit organization, you may qualify for the [STEM Outreach license](https://www.mathworks.com/company/aboutus/soc_mission/stem.html).
+3.	If your program is part of a non-degree granting, non-profit organization that serves pre-university students, you may qualify for the [STEM Outreach license](https://www.mathworks.com/company/aboutus/soc_mission/stem.html).
 4.	To learn more about all license options, visit [this page](https://www.mathworks.com/pricing-licensing.html) or [contact sales](https://www.mathworks.com/company/aboutus/contact_us/contact_sales.html).
 
 ## Discussion Board 🗣️