Update Upgrade_Toolkit.md

Author: xs2suruchi

cd3_automation_toolkit/documentation/user_guide/Upgrade_Toolkit.md

@@ -7,10 +7,9 @@
 4. If an existing customer wants to shift to seperate outdir structure for each resource, they must launch a new container and execute createTenancy.py with using outdir with 'outdir_structure_file' parameter set and then run export of the tenanncy into this new outdir using Non Greenfield workflow.
 
 ## Upgrade to Release v10 from v9.2.1
-1. Build new image using the latest code from main branch.
-2. Launch a new container using the same outdir.
-3. Use new excel sheet templates to use OKE and SCH.
-4. For existing services, user can continue using existing outdir.
+1. Follow the steps in [Launch Docker Container](/cd3_automation_toolkit/documentation/user_guide/Launch_Docker_container.md) to build new image with latest code and launch the container by specifying same path for <directory_in_local_system_where_the_files_must_be_generated> to keep using same outdir.
+2. Use new excel sheet templates to use OKE and SCH.
+3. For existing services, user can continue using existing outdir.
 
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