Update index-docker.mdx

Author: ajeetraina

docs/create/docker/index-docker.mdx

@@ -76,7 +76,7 @@ If persistence is enabled, data is stored in the VOLUME /data, which can be used
 
 
 
-## Pre-requisite
+### Pre-requisite
 
 Ensure that Docker is installed in your system.
 
@@ -93,29 +93,29 @@ docker run -d --cap-add sys_resource --name rp -p 8443:8443 -p 9443:9443 -p 1200
 
 Open your preferred browser and type https://[IPAddress]:8443 to open Redis Enterprise UI.
 
-## Click on “Setup”.
+### Click on “Setup”.
 
 ![My Image](images/resoftware-1.png)
 
 
-## Enter your preferred FQDN 
+### Enter your preferred FQDN 
 
 ![My Image](images/resoftware-2.png)
 
-## Enter the admin credentials
+### Enter the admin credentials
 
 ![My Image](images/resoftware-4.png)
 
 ## Select "Single Region"  
 
 ![My Image](images/resoftware-5.png)
 
-## Create a Database:
+### Create a Database:
 
 
 ![My Image](images/resoftware-7.png)
 
-## Access the database:
+### Access the database:
 
 
 ```