use cannot instead of can't

diff --git a/data/PVE/CLI/pvecm.pm b/data/PVE/CLI/pvecm.pm
index f5d5422eac91da581d20bc5838cc68fb31898693..b1b14342607ba5364afcf7993a401dc44baae482 100755 (executable)
--- a/data/PVE/CLI/pvecm.pm
+++ b/data/PVE/CLI/pvecm.pm
@@ -39,7 +39,7 @@ sub backup_database {
        ['gzip', '-', \">${backupdir}/config-${ctime}.sql.gz"],
     ];
 
-    PVE::Tools::run_command($cmd, 'errmsg' => "can't backup old database\n");
+    PVE::Tools::run_command($cmd, 'errmsg' => "cannot backup old database\n");
 
     # purge older backup
     my $maxfiles = 10;