diff --git a/doc/6-object-types.md b/doc/6-object-types.md
index b71d004b9..0bc89216f 100644
--- a/doc/6-object-types.md
+++ b/doc/6-object-types.md
@@ -590,7 +590,7 @@ Runtime Attributes:
 
   Name                      | Type          | Description
   --------------------------|---------------|-----------------
-  is\_insidek               | Boolean       | Whether we're currently inside this timeperiod.
+  is\_inside                | Boolean       | Whether we're currently inside this timeperiod.
 
 ## <a id="objecttype-scheduleddowntime"></a> ScheduledDowntime