[PR #10480/c1bd4611 backport][stable-11] doc style adjustments: modules s* (#10487)

doc style adjustments: modules s* (#10480)

* doc style adjustments: modules s*

* adjust comment indentation

* remove empty RETURN section in stacki_host

* spectrum_model_attrs: improve formatting of example

* Apply suggestions from code review



* Update plugins/modules/spotinst_aws_elastigroup.py



* Update plugins/modules/swdepot.py



---------


(cherry picked from commit c1bd461173)

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/modules/sendgrid.py

@@ -17,8 +17,8 @@ description:
 notes:
   - This module is non-idempotent because it sends an email through the external API. It is idempotent only in the case that
     the module fails.
-  - Like the other notification modules, this one requires an external dependency to work. In this case, you will need an
-    active SendGrid account.
+  - Like the other notification modules, this one requires an external dependency to work. In this case, you need an active
+    SendGrid account.
   - In order to use O(api_key), O(cc), O(bcc), O(attachments), O(from_name), O(html_body), and O(headers) you must C(pip install
     sendgrid).
 requirements:
@@ -82,7 +82,7 @@ options:
       - The name you want to appear in the from field, for example V(John Doe).
   html_body:
     description:
-      - Whether the body is html content that should be rendered.
+      - Whether the body is HTML content that should be rendered.
     type: bool
     default: false
   headers: