diff --git a/reference/math/functions/round.xml b/reference/math/functions/round.xml
index c331f6b3ce..e20e862883 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
        <entry>5.2.7</entry>
        <entry>
         The inner workings of <function>round</function> was changed 
-        to conform the C99 standard.
+        to conform to the C99 standard.
        </entry>
       </row>
      </tbody>