diff --git a/reference/math/functions/round.xml b/reference/math/functions/round.xml
index ce87f3e0c1..c331f6b3ce 100644
--- a/reference/math/functions/round.xml
+++ b/reference/math/functions/round.xml
@@ -149,7 +149,7 @@ echo round(8.5, 0, PHP_ROUND_HALF_ODD); // 9
5.2.7
The inner workings of round was changed
- to confront the C99 standard.
+ to conform the C99 standard.