Update README.md

Author: kathyz95

Classroom Challenge Projects/Projects/Image-Based Defect Detection for Manufacturing Inspection/README.md

@@ -195,6 +195,6 @@ Real inspection stations face significant variability and industry requires insp
 
 ## Project Difficulty
 - Intermediate
-   - Matriculating or 1st-year undergraduate student
-   - 1st or 2nd year community college student or transfer student
+    - Community college transfer students
+    - 3rd year undergraduate or above