## Summary
Minor userguide changes, working from the "bottom" of the comments from 3110
## Test process
User Guide continues to successfully render.
## Checklist
- [X] PR is linked to a **work item**
- [ ] **acceptance criteria** of linked ticket are met
- [ ] performed **self-review** of the code
- [ ] written **tests** for any new functionality added with this PR
- [X] updated the **documentation** if this PR changes or adds functionality
- [ ] written/updated **design docs** if this PR implements new functionality
- [ ] updated the **change log**
- [X] ran **pre-commit** checks for code style
- [ ] attended to any **TO-DOs** left in the code
Related work items: #3110
## Summary
*Replace this text with an explanation of what the changes are and how you implemented them. Can this impact any other parts of the codebase that we should keep in mind?*
## Test process
Tested affected notebook.
## Checklist
- [X] PR is linked to a **work item**
- [X] **acceptance criteria** of linked ticket are met
- [X] performed **self-review** of the code
- [ ] written **tests** for any new functionality added with this PR
- [ ] updated the **documentation** if this PR changes or adds functionality
- [ ] written/updated **design docs** if this PR implements new functionality
- [ ] updated the **change log**
- [ ] ran **pre-commit** checks for code style
- [ ] attended to any **TO-DOs** left in the code
#3113: Fix incorrect hostname.
Related work items: #3113
- Improve clarity of some code cells (narrowed output)
- Reworded some questionably worded sections
- Updated some of the util functionality that using old action names
- Updated a lot of old names into kebab-case
- General tidy up and consistency changes.
- All agent training demo notebooks now reference UC2.
- Terminal-Processing Notebook now includes a few extra markdown cells for extra context. Additionally yaml snippets have been updated to reflect 4.0.0 schema
- Request-and-Response notebook now includes a few more markdown cells for extra context as well as updated software names
- General notebook cell clean up and tidying.
