Add --version option to README.md

README.md

@@ -144,10 +144,10 @@ For the [Google Cloud Storage](https://cloud.google.com/storage/) storage backen
 ## Usage
 
     duplicity-backup.sh [options]
-
+    
       Options:
         -c, --config CONFIG_FILE   specify the config file to use
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+    
         -b, --backup               runs an incremental backup
         -f, --full                 forces a full backup
         -v, --verify               verifies the backup
@@ -157,21 +157,23 @@ For the [Google Cloud Storage](https://cloud.google.com/storage/) storage backen
                                    > ACTIONS > cleanup for details)
         -l, --list-current-files   lists the files currently backed up in the archive
         -s, --collection-status    show all the backup sets in the archive
-
+    
             --restore [PATH]       restores the entire backup to [path]
             --restore-file [FILE_TO_RESTORE] [DESTINATION]
                                    restore a specific file
             --restore-dir [DIR_TO_RESTORE] [DESTINATION]
                                    restore a specific directory
-
+    
         -t, --time TIME            specify the time from which to restore or list files
                                    (see duplicity man page for the format)
-
+    
         --backup-script            automatically backup the script and secret key(s) to
                                    the current working directory
-
+    
         -n, --dry-run              perform a trial run with no changes made
         -d, --debug                echo duplicity commands to logfile
+    
+        -V, --version              print version information about this script and duplicity
 
 
 ## Usage Examples