Make page titles consistent

content/rancher/v2.x/en/backups/restorations/ha-restoration/_index.md

@@ -1,5 +1,6 @@
 ---
 title: Restoring Backups—Kubernetes installs
+shortTitle: Kubernetes Installs
 weight: 370
 aliases:
   - /rancher/v2.x/en/installation/after-installation/ha-backup-and-restoration/

content/rancher/v2.x/en/backups/restorations/single-node-restoration/_index.md

@@ -1,6 +1,6 @@
 ---
 title: Restoring Backups—Docker Installs
-shortTitle: Singe Node Installs
+shortTitle: Docker Installs
 weight: 365
 aliases:
   - /rancher/v2.x/en/installation/after-installation/single-node-backup-and-restoration/