Add docs for Checkable#next_update

diff --git a/doc/09-object-types.md b/doc/09-object-types.md
index 6111ec0aae938261e1971fe3c1dcdcc048962cab..40f161bc401f37e548a69d686c56e3774e26159c 100644 (file)
--- a/doc/09-object-types.md
+++ b/doc/09-object-types.md
@@ -406,6 +406,7 @@ Runtime Attributes:
   severity                  | Number                | [Severity](19-technical-concepts.md#technical-concepts-checks-severity) calculated value.
   problem                   | Boolean               | Whether the host is considered in a problem state type (NOT-UP).
   handled                   | Boolean               | Whether the host problem is handled (downtime or acknowledgement).
+  next\_update              | Timestamp             | When the next check update is to be expected.
 
 
 
@@ -770,6 +771,7 @@ Runtime Attributes:
   severity                  | Number                | [Severity](19-technical-concepts.md#technical-concepts-checks-severity) calculated value.
   problem                   | Boolean               | Whether the service is considered in a problem state type (NOT-OK).
   handled                   | Boolean               | Whether the service problem is handled (downtime or acknowledgement).
+  next\_update              | Timestamp             | When the next check update is to be expected.
 
 
 ### ServiceGroup <a id="objecttype-servicegroup"></a>