diff --git a/source/_integrations/counter.markdown b/source/_integrations/counter.markdown
index 04c367ec48d..569c09995c0 100644
--- a/source/_integrations/counter.markdown
+++ b/source/_integrations/counter.markdown
@@ -47,7 +47,7 @@ counter:
       required: false
       type: string
     initial:
-      description: Initial value when Home Assistant starts or the counter is reset.
+      description: Initial value (0 or positive integer) when Home Assistant starts or the counter is reset.
       required: false
       type: integer
       default: 0