config: fix missing quote in description

omission noticed while reviewing the corresponding docs-changes

fixes 848fbc11c572094d900529b940fea384a909b0db
Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>

diff --git a/src/PMG/Config.pm b/src/PMG/Config.pm
index d49e768268e03db12d662972ea2cbea2ff5db480..042da6fb4100d7bad7b1237c6e3515fd98c0c236 100755 (executable)
--- a/src/PMG/Config.pm
+++ b/src/PMG/Config.pm
@@ -651,7 +651,7 @@ sub properties {
            default => 64,
        },
        helotests => {
-           description => "Use SMTP HELO tests. (postfix option `smtpd_helo_restrictions)",
+           description => "Use SMTP HELO tests. (postfix option `smtpd_helo_restrictions`)",
            type => 'boolean',
            default => 0,
        },