Update README.md

updated project nomination description

Author: kathyz95

Classroom Challenge Projects/README.md

@@ -26,7 +26,7 @@ Please Note: To participate in the MathWorks Classroom Challenge Projects progra
 |**STEP 5: Project evaluation**|
 |<ul><li>Evaluate student project submissions. You may nominate 1-3 exceptional project submissions for MathWorks review and prize. All other teams will receive a certificate of completion. See [below](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/blob/main/Classroom%20Challenge%20Projects/README.md#rewards-) for more information about available rewards.</li><li>An [example rubric](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/blob/main/Classroom%20Challenge%20Projects/Faculty%20Resources/Evaluation%20Rubric%20Template.docx) is provided as a *suggestion only*. You may choose to evaluate student projects according to your own assessment needs.</li></ul>|Week following project completion|<ul><li>[Example evaluation rubric](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/blob/main/Classroom%20Challenge%20Projects/Faculty%20Resources/Evaluation%20Rubric%20Template.docx) (Word)</li><li>[Example evaluation rubric](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/blob/main/Classroom%20Challenge%20Projects/Faculty%20Resources/Evaluation%20Rubric%20Template.xlsx) (Excel)</li></ul>|
 |**STEP 6: Submit project completion to MathWorks**|
-|<ul><li>[Submit](https://forms.office.com/r/hWCBGQZs1K) student names for MathWorks certificates of completion</li><li>*Optional*: You may submit 1-3 exceptional student projects for MathWorks team review and prize</li><li>Student projects nominated for MathWorks review must be submitted as GitHub repositories. Please ensure students follow the provided [instructions](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/blob/main/Classroom%20Challenge%20Projects/README.md#instructions-for-nominated-project-solution-submissions-).</li></ul>|1-2 weeks following project submission|<ul><li>[Submission form](https://forms.office.com/r/hWCBGQZs1K)</li><li>[Available rewards](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/blob/main/Classroom%20Challenge%20Projects/README.md#rewards-)</li><li>[Student instructions](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/tree/main/Classroom%20Challenge%20Projects#instructions-for-nominated-project-solution-submissions-) for nominated project solution submission</li></ul>|
+|<ul><li>[Submit](https://forms.office.com/r/hWCBGQZs1K) student names for MathWorks certificates of completion</li><li>*Optional*: You may submit up to 3 exceptional student projects for MathWorks team review and prize</li><li>Student projects nominated for MathWorks review must be submitted as GitHub repositories. Please ensure students follow the provided [instructions](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/blob/main/Classroom%20Challenge%20Projects/README.md#instructions-for-nominated-project-solution-submissions-).</li></ul>|1-2 weeks following project submission|<ul><li>[Submission form](https://forms.office.com/r/hWCBGQZs1K)</li><li>[Available rewards](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/blob/main/Classroom%20Challenge%20Projects/README.md#rewards-)</li><li>[Student instructions](https://github.com/mathworks/MATLAB-Simulink-Challenge-Project-Hub/tree/main/Classroom%20Challenge%20Projects#instructions-for-nominated-project-solution-submissions-) for nominated project solution submission</li></ul>|
 
 ## 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.
@@ -94,7 +94,7 @@ For nominated projects to be considered for MathWorks review and a prize, studen
 ## Rewards 🏅 
 Below is the list of rewards we currently provide for classroom challenge project submissions:
 - Every student who successfully submits an acceptable project solution will receive an official MathWorks certificate of completion.
-- You may nominate 1-3 exceptional project submissions for MathWorks review. Students who contributed to these projects may receive:
+- You may nominate up to 3 exceptional project submissions for MathWorks review. Students who contributed to these projects may receive:
   - Endorsement for positions at MathWorks (internship, student ambassador)
   - LinkedIn recommendation
   - MathWorks T-shirts