diff --git a/docs/en/sql-reference/aggregate-functions/reference/deltasum.md b/docs/en/sql-reference/aggregate-functions/reference/deltasum.md
index 4b64d1baca3..e0c74576bb6 100644
--- a/docs/en/sql-reference/aggregate-functions/reference/deltasum.md
+++ b/docs/en/sql-reference/aggregate-functions/reference/deltasum.md
@@ -4,7 +4,7 @@ toc_priority: 141
 
 # deltaSum {#agg_functions-deltasum}
 
-Sums the arithmetic difference between consecutive rows. If the difference is negative, it is ignored. Function is implemented as an aggregate function.
+Sums the arithmetic difference between consecutive rows. If the difference is negative, it is ignored.
 
 **Syntax**
 
@@ -66,4 +66,4 @@ Result:
 
 ## See Also {#see-also}
 
--   [runningDifference](../../functions/other-functions.md#other_functions-runningdifference)
\ No newline at end of file
+-   [runningDifference](../../functions/other-functions.md#other_functions-runningdifference)