Improve how to get validUntil (#138)

Author: clementbiron

content/terms/declarations-maintenance-inspector-open-get-datetime.png

@@ -109,8 +109,19 @@ The consensus is to consider that a service provider renaming a service (for exa
 
 ## How to get the `validUntil` date from an issue
 
-1. Go to the open issue and scroll to the last comment from `OTA-Bot`.
-2. On the date of this comment, right-click "inspect" to open your browser's code inspector. Note that sometimes, the date is not quite precise, it can be written "last month".
-![]({{< relref "." >}}declarations-maintenance-ota-bot-comment.png)
-3. Copy the value of the `datetime` attribute from the `<relative-time>` element.
-![]({{< relref "." >}}declarations-maintenance-inspector-open-get-datetime.png)
+1. Go to the open issue and scroll to the last action from `OTA-Bot` (comment or issue opening).
+
+   ![]({{< relref "." >}}declarations-maintenance-ota-bot-comment.png)
+
+   Note that sometimes:
+
+   - the date is not quite precise, it can be written "last month"
+   ![]({{< relref "." >}}declarations-maintenance-ota-bot-comment-last-month.png)
+   - the last comment may be the announcement of the reopening of the issue
+   ![]({{< relref "." >}}declarations-maintenance-ota-bot-comment-reopened-issue.png)
+
+2. On the date of this comment, right-click "inspect" to open your browser's code inspector.
+
+3. The value to use as `validUntil` is the value of the `datetime` attribute from the `<relative-time>` element.
+
+   ![]({{< relref "." >}}declarations-maintenance-inspector-open-get-datetime.png)