diff --git a/session1/session1_script.md b/session1/session1_script.md
index 7dbb0eb..b3a8245 100644
--- a/session1/session1_script.md
+++ b/session1/session1_script.md
@@ -65,8 +65,8 @@
 
 10.[STUDENT] create basic constructors 
        
-       Student (FirstName, LastName , email)
-       Workshop (Title,  group max/min size, StartDate )
+       Student (firstName, lastName , email)
+       Workshop (title, groupMaxSize, groupMinSize, startDate)
 
 
 11.[INSTRUCTOR] explain getters and setters
@@ -127,11 +127,11 @@ public void workshopCanNotHaveMoreThanMaxStudents() {
 } 
         
         
-public void enroll(Student student) throws Exception {
+public void enroll(Student student) throws WorkshopGroupIsFullException {
     if (students.size() < getMaxGroupSize()){
         students.add(student);
     }else{
-        throw new Exception("WorkshopGroupIsFull");
+        throw new WorkshopGroupIsFullException("WorkshopGroupIsFull");
     }
 }