Fix some issues regarding missing examples or wrong commands

bin/v-add-user-ssh-key

@@ -3,7 +3,7 @@
 # options: USER KEY
 # labels: hestia
 #
-# example v-add-user-ssh-key user 'valid ssh key'
+# example: v-add-user-ssh-key user 'valid ssh key'
 #
 # Function check if $user/.ssh/authorized_keys exists and create it.
 # After that it append the new key(s)

bin/v-download-backup

@@ -3,7 +3,7 @@
 # options: USER BACKUP
 # labels: hestia
 #
-# example: v-download-user admin admin.2020-11-05_05-10-21.tar
+# example: v-download-backup admin admin.2020-11-05_05-10-21.tar
 #
 # The function download back-up from remote server
 

bin/v-search-command

@@ -3,7 +3,7 @@
 # options: ARG1 [ARG...]
 # labels: hestia
 #
-# v-search-command web
+# example: v-search-command web
 #
 # This function searches for available Hestia Control Panel commands
 # and returns results based on the specified criteria.