diff --git a/source/_lovelace/history-graph.markdown b/source/_lovelace/history-graph.markdown
index a82238632a2..9452a3e0969 100644
--- a/source/_lovelace/history-graph.markdown
+++ b/source/_lovelace/history-graph.markdown
@@ -29,7 +29,7 @@ entities:
   type: list
 hours_to_show:
   required: false
-  description: Hours to show. Minimum is 1 hour, maximum of 80 hours.
+  description: Hours to show in graph. Minimum is 1 hour. Big values can result in delayed rendering, especially if the selected entities have a lot of state changes.
   type: integer
   default: 24
 refresh_interval: