diff --git a/Networking/02-DNS.md b/Networking/02-DNS.md
index 6050d8c..ea0dc45 100644
--- a/Networking/02-DNS.md
+++ b/Networking/02-DNS.md
@@ -1,5 +1,7 @@
 # DNS
 
+  - Take me to the [Tutorial](https://kodekloud.com/courses/873064/lectures/17074529)
+
   - The domain name system is a distributed way to share these name-to-IP associations instead of requiring each computer to synchronize a hosts file. A name server publishes the IP address for a domain and provides a single location to update when an IP changes.
 
   
@@ -68,8 +70,6 @@
 
 # DOMAIN NAMES
 
-  - Take me to the [Tutorial](https://kodekloud.com/courses/873064/lectures/17074529)
-
   ![DNS](../images/dns.PNG)
 
   - .com - Commerical or General Purpose.
diff --git a/Networking/03-Switching & Routing.md b/Networking/03-Networking Basics.md
similarity index 94%
rename from Networking/03-Switching & Routing.md
rename to Networking/03-Networking Basics.md
index d33974b..f9e0296 100644
--- a/Networking/03-Switching & Routing.md	
+++ b/Networking/03-Networking Basics.md	
@@ -1,5 +1,7 @@
 # Switching & Routing 
 
+  - Take me to the [Tutorial](https://kodekloud.com/courses/873064/lectures/17074531)
+
   #### Switching
 
   - Switching helps to connect the interface within same network.
diff --git a/Networking/04-Troubleshooting.md b/Networking/04-Troubleshooting.md
index 6d9b151..5b78347 100644
--- a/Networking/04-Troubleshooting.md
+++ b/Networking/04-Troubleshooting.md
@@ -1,5 +1,7 @@
 # TROUBLESHOOTING 
 
+  - - Take me to the [Tutorial](https://kodekloud.com/courses/873064/lectures/17074532)
+
   - In this lecture we will be going to troubleshooting the issue that **`Bob`** is facing.
   - Bob is not able to reach to the repository server and he get the error as show below.