Add timing of repo size reporting

doc/user/admin_area/index.md

@@ -61,16 +61,32 @@ Click the **All**, **Private**, **Internal**, or **Public** tab to list only pro
 criteria.
 
 By default, all projects are listed, in reverse order of when they were last updated. For each
-project, the name, namespace, description, and size is listed, also options to **Edit** or
-**Delete** it.
+project, the following information is listed:
 
-Sort projects by **Name**, **Last created**, **Oldest created**, **Last updated**, **Oldest
-updated**, **Owner**, and choose to hide or show archived projects.
+- Name.
+- Namespace.
+- Description.
+- Size, updated every 15 minutes at most.
+
+Projects can be edited or deleted.
+
+The list of projects can be sorted by:
+
+- Name.
+- Last created.
+- Oldest created.
+- Last updated.
+- Oldest updated.
+- Owner.
+
+A user can choose to hide or show archived projects in the list.
 
 In the **Filter by name** field, type the project name you want to find, and GitLab will filter
 them as you type.
 
 Select from the **Namespace** dropdown to filter only projects in that namespace.
 
-You can combine the filter options. For example, click the **Public** tab, and enter `score` in
-the **Filter by name...** input box to list only public projects with `score` in their name.
+You can combine the filter options. For example, to list only public projects with `score` in their name:
+
+1. Click the **Public** tab.
+1. Enter `score` in the **Filter by name...** input box.

doc/user/project/repository/index.md

@@ -173,11 +173,15 @@ Via command line, you can commit multiple times before pushing.
 
 ## Repository size
 
-On GitLab.com, your [repository size limit is 10GB](../../gitlab_com/index.md#repository-size-limit)
-(including LFS). For other instances, the repository size is limited by your
-system administrators.
+A project's repository size is reported on the project's **Details** page. The reported size is
+updated every 15 minutes at most, so may not reflect recent activity.
 
-You can also [reduce a repository size using Git](reducing_the_repo_size_using_git.md).
+The repository size for:
+
+- GitLab.com [is set by GitLab](../../gitlab_com/index.md#repository-size-limit).
+- Self-managed instances is set by your GitLab administrators.
+
+You can [reduce a repository's size using Git](reducing_the_repo_size_using_git.md).
 
 ## Contributors