docs: tweak them a bit

Author: s-h-a-d-o-w

README.md

@@ -94,19 +94,21 @@ You can configure `standard-version` either by:
 Any of the command line parameters accepted by `standard-version` can instead
 be provided via configuration. Please refer to the [conventional-changelog-config-spec](https://github.com/conventional-changelog/conventional-changelog-config-spec/) for details on available configuration options.
 
-As an example, suppose you're using GitLab, rather than GitHub, you might modify the following variables:
+### Customizing CHANGELOG Generation
+
+By default (as of `6.0.0`), `standard-version` uses the [conventionalcommits preset](https://github.com/conventional-changelog/conventional-changelog/tree/master/packages/conventional-changelog-conventionalcommits).
+
+This preset adheres closely to the [conventionalcommits.org](https://www.conventionalcommits.org) specification.
+
+Suppose you're using GitLab, rather than GitHub, you might modify the following variables:
 
 * `commitUrlFormat`: the URL format of commit SHAs detected in commit messages.
 * `compareUrlFormat`: the URL format used to compare two tags.
 * `issueUrlFormat`: the URL format used to link to issues.
 
 Making these URLs match GitLab's format, rather than GitHub's.
 
-### Customizing CHANGELOG Generation further
-
-By default (as of `6.0.0`), `standard-version` uses the [conventionalcommits preset](https://github.com/conventional-changelog/conventional-changelog/tree/master/packages/conventional-changelog-conventionalcommits).
-
-This preset adheres closely to the [conventionalcommits.org](https://www.conventionalcommits.org) specification.
+### Deeper customization
 
 You can override both [parser](https://github.com/conventional-changelog/conventional-changelog/tree/master/packages/conventional-commits-parser) and [writer](https://github.com/conventional-changelog/conventional-changelog/tree/master/packages/conventional-changelog-writer) options (they will be merged into the preset we just mentioned). As an example, to list commits in the order that they were committed: