minor fix

Author: codeIntrovert

routes/browse_routes.py

@@ -7,7 +7,7 @@
 # Map the course_name parameter to the corresponding course data using a dictionary
 course_mapping = {
     'Java': data.Java,
-    'C#': data.CSharp,
+    'CSharp': data.CSharp,
     'ReactJS': data.ReactJS,
     'ML+AI': data.ML,
     'JavaScript': data.JavaScript,