update docs

Author: Benjosh95

docs/stackit_volume_backup_create.md

@@ -14,13 +14,13 @@ stackit volume backup create [flags]
 
 ```
   Create a backup from a volume
-  $ stackit volume backup create --source-id xxx --source-type volume --project-id xxx
+  $ stackit volume backup create --source-id xxx --source-type volume
 
   Create a backup from a snapshot with a name
-  $ stackit volume backup create --source-id xxx --source-type snapshot --name my-backup --project-id xxx
+  $ stackit volume backup create --source-id xxx --source-type snapshot --name my-backup
 
   Create a backup with labels
-  $ stackit volume backup create --source-id xxx --source-type volume --labels key1=value1,key2=value2 --project-id xxx
+  $ stackit volume backup create --source-id xxx --source-type volume --labels key1=value1,key2=value2
 ```
 
 ### Options

docs/stackit_volume_backup_delete.md

@@ -13,11 +13,8 @@ stackit volume backup delete BACKUP_ID [flags]
 ### Examples
 
 ```
-  Delete a backup
-  $ stackit volume backup delete xxx-xxx-xxx
-
-  Delete a backup and wait for deletion to be completed
-  $ stackit volume backup delete xxx-xxx-xxx --async=false
+  Delete a backup with ID "xxx"
+  $ stackit volume backup delete xxx
 ```
 
 ### Options

docs/stackit_volume_backup_describe.md

@@ -13,11 +13,11 @@ stackit volume backup describe BACKUP_ID [flags]
 ### Examples
 
 ```
-  Get details of a backup
-  $ stackit volume backup describe xxx-xxx-xxx
+  Get details of a backup with ID "xxx"
+  $ stackit volume backup describe xxx
 
-  Get details of a backup in JSON format
-  $ stackit volume backup describe xxx-xxx-xxx --output-format json
+  Get details of a backup with ID "xxx" in JSON format
+  $ stackit volume backup describe xxx --output-format json
 ```
 
 ### Options

docs/stackit_volume_backup_restore.md

@@ -13,11 +13,8 @@ stackit volume backup restore BACKUP_ID [flags]
 ### Examples
 
 ```
-  Restore a backup
-  $ stackit volume backup restore xxx-xxx-xxx
-
-  Restore a backup and wait for restore to be completed
-  $ stackit volume backup restore xxx-xxx-xxx --async=false
+  Restore a backup with ID "xxx"
+  $ stackit volume backup restore xxx
 ```
 
 ### Options

docs/stackit_volume_backup_update.md

@@ -13,11 +13,11 @@ stackit volume backup update BACKUP_ID [flags]
 ### Examples
 
 ```
-  Update a backup name
-  $ stackit volume backup update xxx-xxx-xxx --name new-name
+  Update the name of a backup with ID "xxx"
+  $ stackit volume backup update xxx --name new-name
 
-  Update backup labels
-  $ stackit volume backup update xxx-xxx-xxx --labels key1=value1,key2=value2
+  Update the labels of a backup with ID "xxx"
+  $ stackit volume backup update xxx --labels key1=value1,key2=value2
 ```
 
 ### Options