Correct docs on project item limits for GHES <3.18 (#55953)

Author: lerebear

content/issues/planning-and-tracking-with-projects/automating-your-project/archiving-items-automatically.md

@@ -38,7 +38,7 @@ Additionally, items are also marked as updated when field values in your project
 
 When you enable automatic archiving for issues or pull requests, items in your project that already meet your criteria will also be archived. There may be some delay in archiving large numbers of items that already meet the criteria.
 
-{% ifversion projects-single-limit %}Your project can contain up to {% data variables.projects.item_limit %} items across both active views and the archive page. Once that limit has been reached, you will need to delete items from your project to free up more space.{% else %} Projects also have a limit on the number of archived items they can contain. Your project can contain up to {% data variables.projects.archived_item_limit %} archived items.{% endif %} For more information on permanently deleting items, see [AUTOTITLE](/issues/planning-and-tracking-with-projects/managing-items-in-your-project/archiving-items-from-your-project#deleting-items).
+{% ifversion projects-single-limit %}Your project can contain up to {% data variables.projects.item_limit %} items across both active views and the archive page. Once that limit has been reached, you will need to delete items from your project to free up more space.{% else %} Projects also have a limit on the number of archived items they can contain. Your project can contain up to {% data variables.projects.legacy_archived_item_limit %} archived items.{% endif %} For more information on permanently deleting items, see [AUTOTITLE](/issues/planning-and-tracking-with-projects/managing-items-in-your-project/archiving-items-from-your-project#deleting-items).
 
 ## Configuring automatic archiving in your project
 

content/issues/planning-and-tracking-with-projects/creating-projects/migrating-from-projects-classic.md

@@ -12,7 +12,7 @@ allowTitleToDifferFromFilename: true
 ---
 
 > [!NOTE]
-> * If the project you are migrating contains more than {% data variables.projects.item_limit %} items, open issues will be prioritized followed by open pull requests and then notes. Remaining space will be used for closed issues, merged pull requested, and closed pull requests. Items that cannot be migrated due to this limit will be moved to the archive. If the archive limit of {% data variables.projects.archived_item_limit %} items is reached, additional items will not be migrated.
+> * If the project you are migrating contains more than {% data variables.projects.legacy_item_limit %} items, open issues will be prioritized followed by open pull requests and then notes. Remaining space will be used for closed issues, merged pull requested, and closed pull requests. Items that cannot be migrated due to this limit will be moved to the archive. If the archive limit of {% data variables.projects.legacy_archived_item_limit %} items is reached, additional items will not be migrated.
 > * Note cards are converted to draft issues, and the contents are saved to the body of the draft issue. If information appears to be missing, make any hidden fields visible. For more information, see [AUTOTITLE](/issues/planning-and-tracking-with-projects/customizing-views-in-your-project/changing-the-layout-of-a-view#showing-and-hiding-fields).
 > * Automation will not be migrated.
 > * Triage, archive, and activity will not be migrated.

content/issues/planning-and-tracking-with-projects/managing-items-in-your-project/adding-items-to-your-project.md

@@ -13,7 +13,7 @@ allowTitleToDifferFromFilename: true
 ---
 
 > [!NOTE]
-> A project can contain a maximum of {% data variables.projects.item_limit %} items {% ifversion projects-single-limit %} across both active views and the archive page{% else %}and {% data variables.projects.archived_item_limit %} archived items{% endif %}. To learn more about automatically archiving items when they meet specific criteria, see [AUTOTITLE](/issues/planning-and-tracking-with-projects/automating-your-project/archiving-items-automatically).
+> A project can contain a maximum of{% ifversion projects-single-limit %} {% data variables.projects.item_limit %} items across both active views and the archive page{% else %} {% data variables.projects.legacy_item_limit %} items and {% data variables.projects.legacy_archived_item_limit %} archived items{% endif %}. To learn more about automatically archiving items when they meet specific criteria, see [AUTOTITLE](/issues/planning-and-tracking-with-projects/automating-your-project/archiving-items-automatically).
 
 ## Adding issues and pull requests to a project
 

content/issues/planning-and-tracking-with-projects/managing-items-in-your-project/archiving-items-from-your-project.md

@@ -13,7 +13,7 @@ allowTitleToDifferFromFilename: true
 ---
 
 > [!NOTE]
-> A project can contain a maximum of {% data variables.projects.item_limit %} items {% ifversion projects-single-limit %}across both active views and archive page{% else %} and {% data variables.projects.archived_item_limit %} archived items{% endif %}.
+> A project can contain a maximum of{% ifversion projects-single-limit %} {% data variables.projects.item_limit %} items across both active views and the archive page{% else %} {% data variables.projects.legacy_item_limit %} items and {% data variables.projects.legacy_archived_item_limit %} archived items{% endif %}.
 
 ## Archiving items
 

data/variables/projects.yml

@@ -20,8 +20,9 @@ project_v2_and_v1: '{% data variables.projects.project_v2 %}{% ifversion project
 projects_v2_and_v1_if_create: '{% data variables.projects.projects_v2 %}{% ifversion projects-v1-can-create %} and {% data variables.projects.projects_v1_boards %}{% endif %}'
 
 # Limits
+legacy_item_limit: '1,200'
 item_limit: '50,000'
-archived_item_limit: '10,000'
+legacy_archived_item_limit: '10,000'
 issue_type_limit: '25'
 sub-issue_limit: '100'