[PATCH proxmox] subscription: age check: fix incorrect doc comment

[Arthur Bied-Charreton <a.bied-charreton@proxmox.com>]

The doc comment for SubscriptionInfo::check_age claimed a validity of
30+5 days for unsigned instances, whereas the code cuts off at 15+5.

Signed-off-by: Arthur Bied-Charreton <a.bied-charreton@proxmox.com>
---
 proxmox-subscription/src/subscription_info.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/proxmox-subscription/src/subscription_info.rs b/proxmox-subscription/src/subscription_info.rs
index f400ea69..3ef503bc 100644
--- a/proxmox-subscription/src/subscription_info.rs
+++ b/proxmox-subscription/src/subscription_info.rs
@@ -273,7 +273,7 @@ mod _impl {
         ///
         /// - Instances generated (more than 1.5h) in the future are invalid
         /// - Signed instances are valid for up to a year, clamped by the next due date
-        /// - Unsigned instances are valid for 30+5 days
+        /// - Unsigned instances are valid for 15+5 days
         /// - If `recheck` is set to `true`, unsigned instances are only treated as valid for 5 days
         ///   (this mode is used to decide whether to refresh the subscription information)
         ///
-- 
2.47.3