diff --git a/README.md b/README.md
index 1de0711..bf972fe 100644
--- a/README.md
+++ b/README.md
@@ -8,14 +8,14 @@ By the end of the course students will learn fundemantal concepts, organization,
 
 Introduction to Operating Systems. Memory Management. Process Management. Concurrent Processes. Deadlocks. Processor Management. I/O and Device Management. File Management and File Systems. Introduction to Distributed Operating Systems. Synchronization in Distributed Systems. Distributed File Systems. Overview of contemporary OS technology. 
 
-## [Homework 1](https://github.com/frozsgy/ceng334-hw/tree/master/Homework%201)
+## [Homework 1](https://github.com/frozsgy/ceng334-hw/tree/main/Homework%201)
 
 Implementation of an auction server using inter-process communication.
 
-## [Homework 2](https://github.com/frozsgy/ceng334-hw/tree/master/Homework%202)
+## [Homework 2](https://github.com/frozsgy/ceng334-hw/tree/main/Homework%202)
 
 Implementation of an elevator using threads.
 
-## [Homework 3](https://github.com/frozsgy/ceng334-hw/tree/master/Homework%203)
+## [Homework 3](https://github.com/frozsgy/ceng334-hw/tree/main/Homework%203)
 
 Implementation of a simple shell that reads from an ext2 image.
\ No newline at end of file