diff --git a/framework/core/js/src/admin/components/ExtensionPage.js b/framework/core/js/src/admin/components/ExtensionPage.js
index dc18f0348..c4c43c342 100644
--- a/framework/core/js/src/admin/components/ExtensionPage.js
+++ b/framework/core/js/src/admin/components/ExtensionPage.js
@@ -141,8 +141,8 @@ export default class ExtensionPage extends AdminPage {
     items.add('version', <span className="ExtensionVersion">{this.extension.version}</span>);
 
     if (!this.isEnabled()) {
-      const uninstall = () => {
-        if (confirm(app.translator.trans('core.admin.extension.confirm_uninstall'))) {
+      const purge = () => {
+        if (confirm(app.translator.trans('core.admin.extension.confirm_purge'))) {
           app
             .request({
               url: app.forum.attribute('apiUrl') + '/extensions/' + this.extension.id,
@@ -154,10 +154,11 @@ export default class ExtensionPage extends AdminPage {
         }
       };
 
+      // TODO v2.0: rename `uninstall` to `purge`
       items.add(
         'uninstall',
-        <Button icon="fas fa-trash-alt" className="Button Button--primary" onclick={uninstall.bind(this)}>
-          {app.translator.trans('core.admin.extension.uninstall_button')}
+        <Button icon="fas fa-trash-alt" className="Button Button--primary" onclick={purge.bind(this)}>
+          {app.translator.trans('core.admin.extension.purge_button')}
         </Button>
       );
     }
diff --git a/framework/core/locale/core.yml b/framework/core/locale/core.yml
index 8b7e1c820..807679061 100644
--- a/framework/core/locale/core.yml
+++ b/framework/core/locale/core.yml
@@ -115,7 +115,7 @@ core:
     # These translations are used on default extension pages.
     extension:
       configure_scopes: Configure Scopes
-      confirm_uninstall: Uninstalling will remove all database entries and assets related to the extension. Are you sure you want to continue?
+      confirm_purge: Purging will remove all database entries and assets related to the extension. It will not uninstall the extension; that must be done via Composer. Are you sure you want to continue?
       disabled: Disabled
       enable_to_see: Enable the extension to view and change settings.
       enabled: Enabled
@@ -130,7 +130,7 @@ core:
       no_settings: This extension has no settings.
       open_modal: Open Settings
       permissions_title: Permissions
-      uninstall_button: Uninstall
+      purge_button: Purge
 
     # These translations are used in the secondary header.
     header: