Clarify a bit the pager term

Closes #775

Author: Keats

docs/content/documentation/templates/pagination.md

@@ -11,27 +11,30 @@ while both a paginated taxonomy page and a paginated section page gets a
 `paginator` variable of the `Pager` type:
 
 ```ts
-// How many items per page
+// How many items per pager
 paginate_by: Number;
 // The base URL for the pagination: section permalink + pagination path
-// You can concatenate an integer with that to get a link to a given pagination page.
+// You can concatenate an integer with that to get a link to a given pagination pager.
 base_url: String;
-// How many pagers in this paginator
+// How many pagers in total
 number_pagers: Number;
-// Permalink to the first page
+// Permalink to the first pager
 first: String;
-// Permalink to the last page
+// Permalink to the last pager
 last: String;
-// Permalink to the previous page, if there is one
+// Permalink to the previous pager, if there is one
 previous: String?;
-// Permalink to the next page, if there is one
+// Permalink to the next pager, if there is one
 next: String?;
-// All pages for the current page
+// All pages for the current pager
 pages: Array<Page>;
-// Which page are we on
+// Which pager are we on
 current_index: Number;
 ```
 
+A pager is a page of the pagination: if you have 100 pages and are paginating 10 by 10, you will have 10 pagers containing
+each 10 pages.
+
 ## Section
 
 A paginated section gets the same `section` variable as a normal