Used correct name for Pajamas and fixed a small awkwardness

doc/development/documentation/styleguide/index.md

@@ -317,7 +317,7 @@ Use sentence case. For example:
 When referring to specific user interface text, like a button label or menu
 item, use the same capitalization that's displayed in the user interface.
 Standards for this content are listed in the [Pajamas Design System Content section](https://design.gitlab.com/content/punctuation/)
-and typically match what's called for in this Documentation Style Guide.
+and typically match what's mentioned in this Documentation Style Guide.
 
 If you think the user interface text contains style mistakes,
 create an issue or an MR to propose a change to the user interface text.
@@ -768,7 +768,7 @@ Valid for Markdown content only, not for front matter entries:
   "This sentence 'quotes' something in a quote".
 
 For other punctuation rules, refer to the
-[GitLab UX guide](https://design.gitlab.com/content/punctuation/).
+[Pajamas Design System Punctuation section](https://design.gitlab.com/content/punctuation/).
 
 ## Headings