diff --git a/_config.yml b/_config.yml
index dbf06d7c4..0e8cbe8a0 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,7 +1,7 @@
 # Site settings
 course_name: History of Magic
-course_description: "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam ornare aliquam mattis. Donec hendrerit sollicitudin urna. Aliquam venenatis rutrum velit, at lobortis dui cursus a. Nam varius metus in turpis maximus, ut rhoncus tellus dictum. In aliquam tortor nec mi dapibus, sit amet vehicula dolor auctor."
-course_semester: "Fall 1998"
+course_description: "Welcome to the Basic Programming course of Department of Mathematical Sciences Sharif University of Technology.     Saturday and Monday 3-5 PM."
+course_semester: "Fall 2024"
 
 baseurl: "/jekyll-course-website-template" # the subpath of your site, e.g. /blog/
 url: "http://kazemnejad.github.io/" # the base hostname & protocol for your site
diff --git a/_data/late_policy.yml b/_data/late_policy.yml
index 24499b86b..e050a4581 100644
--- a/_data/late_policy.yml
+++ b/_data/late_policy.yml
@@ -1,4 +1 @@
 policies:
-  - You have free 8 late days.
-  - You can use late days for assignments. A late day extends the deadline 24 hours.
-  - Once you have used all 8 late days, the penalty is 10% for each additional late day.
\ No newline at end of file
diff --git a/_data/people.yml b/_data/people.yml
index fc54f66ce..c8742c963 100644
--- a/_data/people.yml
+++ b/_data/people.yml
@@ -1,19 +1,10 @@
 instructors:
-  - name: Albus Dumbledore
+  - name: Dr Hadi Taheri
     profile_pic: /_images/pp/dumbledore.jpg
-    webpage: https://en.wikipedia.org/wiki/Albus_Dumbledore
-  - name: Minerva McGonagall
-    profile_pic: /_images/pp/mcgonagall.jpg
+    webpage: hadi.taheri@sharif.edu
+
 
 teaching_assistants:
-  - name: Harry Potter
+  - name: Mohammadmahdi Asgari
     profile_pic: /_images/pp/potter.jpg
-    webpage: https://en.wikipedia.org/wiki/Harry_Potter_(character)
-
-  - name: Hermione Granger
-    profile_pic: /_images/pp/granger.jpg
-    webpage: https://en.wikipedia.org/wiki/Hermione_Granger
-
-  - name: Ron Weasley
-    profile_pic: /_images/pp/weasley.jpg
-    webpage: https://en.wikipedia.org/wiki/Ron_Weasley
\ No newline at end of file
+    webpage: asgarimohammadmahdi78@gmail.com
diff --git a/_data/previous_offering.yml b/_data/previous_offering.yml
index 2b19a3586..cafcb9d59 100644
--- a/_data/previous_offering.yml
+++ b/_data/previous_offering.yml
@@ -1,7 +1,3 @@
 offerings:
-  - title: Fall 1997
-    url: https://previous_course_website.url/
-  
-  - title: Fall 1996
-    url: https://previous_course_website.url/
+
 
diff --git a/_images/logo.png b/_images/logo.png
index c7997aca8..442512d64 100644
Binary files a/_images/logo.png and b/_images/logo.png differ