diff --git a/README.md b/README.md
index 56217a0..f1c8f53 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
-# Presentation
-
-Collection of undergrad presentation given in WBUT 
+# Presentation
+
+Collection of undergrad presentation given in WBUT 
diff --git a/The design and development of AIRYL.pptx b/The design and development of AIRYL.pptx
index c741812..3e15a48 100644
Binary files a/The design and development of AIRYL.pptx and b/The design and development of AIRYL.pptx differ