diff --git a/source/_docs/automation/trigger.markdown b/source/_docs/automation/trigger.markdown
index 50fc254e8c1..df337556c4f 100644
--- a/source/_docs/automation/trigger.markdown
+++ b/source/_docs/automation/trigger.markdown
@@ -173,7 +173,7 @@ automation:
 
 ## Numeric state trigger
 
-Fires when the numeric value of an entity's state (or attribute's value if using the `attribute` property) crosses a given threshold. On state change of a specified entity, attempts to parse the state as a number and fires if the value is changing from above to below or from below to above the given threshold.
+Fires when the numeric value of an entity's state (or attribute's value if using the `attribute` property) **crosses** (and only when crossing) a given threshold. On state change of a specified entity, attempts to parse the state as a number and fires if the value is changing from above to below or from below to above the given threshold.
 
 {% raw %}