diff --git a/mailcow.conf b/mailcow.conf
index bf21709..ba8a4a0 100644
--- a/mailcow.conf
+++ b/mailcow.conf
@@ -292,7 +292,7 @@ HTTP_REDIRECT=n
 # Skip Olefy (olefy-mailcow) anti-virus for Office documents (Rspamd will auto-detect a missing Olefy container) - y/n
 SKIP_OLEFY=n
 ENABLE_IPV6=false
-# SOGo URL encryption key (exactly 16 characters, limited to A–Z, a–z, 0–9)
+# SOGo URL encryption key (exactly 16 characters, limited to A-Z, a-z, 0-9)
 # This key is used to encrypt email addresses within SOGo URLs
 SOGO_URL_ENCRYPTION_KEY=<redacted>
 # Enable DNS-01 challenge for ACME (acme-mailcow) - y/n