Docs: fixes alias and menutitle (#67511)

fixes alias and menutitle

docs/sources/setup-grafana/installation/_index.md

@@ -5,7 +5,7 @@ aliases:
   - ../installation/installation/
   - ../installation/requirements/
   - /docs/grafana/v2.1/installation/install/
-  - ./rpm/
+  - ./installation/rpm/
 description: Installation guide for Grafana
 title: Install Grafana
 weight: 100

docs/sources/setup-grafana/installation/suse-opensuse/index.md

@@ -1,7 +1,7 @@
 ---
 description: Install guide for Grafana on SUSE or OpenSUSE.
 title: Install Grafana on SUSE or OpenSUSE
-menuTitle: Redhat, RHEL, or Fedora
+menuTitle: SUSE or openSUSE
 weight: 450
 ---