[Docs] Fix inconsistencies in snapshot/restore doc (#30480)

Closes #30444

Author: tlrx

docs/plugins/repository-azure.asciidoc

@@ -84,7 +84,7 @@ When `proxy.type` is set to `http` or `socks`, `proxy.host` and `proxy.port` mus
 
 
 [[repository-azure-repository-settings]]
-===== Repository settings
+==== Repository settings
 
 The Azure repository supports following settings:
 
@@ -178,7 +178,7 @@ client.admin().cluster().preparePutRepository("my_backup_java1")
 ----
 
 [[repository-azure-validation]]
-===== Repository validation rules
+==== Repository validation rules
 
 According to the http://msdn.microsoft.com/en-us/library/dd135715.aspx[containers naming guide], a container name must
 be a valid DNS name, conforming to the following naming rules:

docs/reference/modules/snapshots.asciidoc

@@ -124,8 +124,8 @@ the shared file system repository it is necessary to mount the same shared files
 master and data nodes. This location (or one of its parent directories) must be registered in the `path.repo`
 setting on all master and data nodes.
 
-Assuming that the shared filesystem is mounted to `/mount/backups/my_backup`, the following setting should be added to
-`elasticsearch.yml` file:
+Assuming that the shared filesystem is mounted to `/mount/backups/my_fs_backup_location`, the following setting should
+be added to `elasticsearch.yml` file:
 
 [source,yaml]
 --------------
@@ -141,7 +141,7 @@ path.repo: ["\\\\MY_SERVER\\Snapshots"]
 --------------
 
 After all nodes are restarted, the following command can be used to register the shared file system repository with
-the name `my_backup`:
+the name `my_fs_backup`:
 
 [source,js]
 -----------------------------------
@@ -419,7 +419,7 @@ A repository can be unregistered using the following command:
 
 [source,sh]
 -----------------------------------
-DELETE /_snapshot/my_fs_backup
+DELETE /_snapshot/my_backup
 -----------------------------------
 // CONSOLE
 // TEST[continued]