docs: clean up formatting and typos

Tidy up a few rough edges in the docs, including broken list formatting
and a stray typo in the LLM guide, to make the pages easier to read.

Author: chmouel

docs/content/docs/guides/llm-analysis/_index.md

@@ -129,4 +129,3 @@ When you set `commit_content: true`, Pipelines-as-Code includes the following fi
 - Pipelines-as-Code **intentionally excludes email addresses** from the commit context to protect personally identifiable information (PII) when sending data to external LLM providers.
 - Fields appear only if your Git provider makes them available. Some providers supply limited information (for example, Bitbucket Cloud provides only the author name).
 - Author and committer may be the same person or different (for example, when using `git commit --amend` or rebasing).
-asing).

docs/content/docs/installation/requirements.md

@@ -79,11 +79,13 @@ oc version
 
 These tools enhance the Pipelines-as-Code experience:
 
-1
+1. `tkn`
+
+The Tekton CLI for managing Tekton resources.
 
-tkn
+**Installation**: [Tekton CLI installation](https://tekton.dev/docs/cli/)
 
-The Tekton CLI for managing Tekton resources.**Installation**: [Tekton CLI installation](https://tekton.dev/docs/cli/)**Install via Homebrew**:
+**Install via Homebrew**:
 
 ```bash
 brew install tektoncd-cli
@@ -95,11 +97,11 @@ brew install tektoncd-cli
 tkn version
 ```
 
-2
+2. `tkn-pac`
 
-tkn-pac
+The Pipelines-as-Code CLI plugin for `tkn`.
 
-The Pipelines-as-Code CLI plugin for tkn.**Install via Homebrew**:
+**Install via Homebrew**:
 
 ```bash
 brew install openshift-pipelines/pipelines-as-code/tkn-pac