[SIMPL-28035](https://jira.simplprogramme.eu/browse/SIMPL-28035) Document Workflow Update Process.

Changelog: chenged

documents/Development Guide.md

@@ -103,10 +103,26 @@ defs = Definitions(
     loggers={"simpl": simpl_json_logger},
 )
 ```
+### 2.3.2 Workflow edit
 
-### 2.3.2 Workflow deletion
+Updating a workflow, means changing the job name, parameters or definition.  
+Each modification means getting a new version of that workflow. To make the version visible, the name of the job can include a version tag (eg: `data_processing_job_ver_2`).
+
+**1. Change Jobs (`jobs/jobs.py`)**  
+Change workflow name, parameters or definition in the `jobs.py` file.
+
+**2. Change Ops (`ops/ops.py`)**  
+If workflow ops are updated, this must be done in `ops.py` file.
+
+**3. Change Tests (`tests/`)**  
+If jobs or obs are updated, check out their related `tests` and update them accordingly. 
+
+**4. Update Registering Definitions (`repository.py`)**  
+If jobs names are updated, make sure to update the import and definitions.
+
+### 2.3.3 Workflow deletion
 Before deleting an existing workflow, first check its status (if is needed or referenced) in the **Dagster UI**:
-- Navigate to the "Runs". Identify a given worklog using the "Filter" button or navigation "Newer", "Older" buttons.
+- Navigate to the "Runs". Identify a given workflow using the "Filter" button or navigation "Newer", "Older" buttons.
 - Check details and status: open workflow details by clicking on the target, or just check the status value.
 - Check logs: open workflow logs by clicking on the uuid.  
 
@@ -128,8 +144,8 @@ If workflow links also ops, delete their definition from the `ops.py` file.
 **3. Clean Tests (`tests/`)**  
 If jobs or obs have dedicated unittest, check out the `tests/` folder and delete them.  
 
-**3. Clean Scheduler **
-If there is any scheduler for this workflow check and adjust it accordingly.
+**4. Clean Scheduler**  
+If the workflow has any scheduler, check and adjust it accordingly.
 
 ### 2.4 Best Practices & Constraints