diff --git a/web/book/src/reference/syntax/operators.md b/web/book/src/reference/syntax/operators.md
index 35e1646f41c2..e26ed0ab1904 100644
--- a/web/book/src/reference/syntax/operators.md
+++ b/web/book/src/reference/syntax/operators.md
@@ -176,7 +176,7 @@ from employees
 derive total_distance = sum distance
 ```
 
-...while with parentheses, it works at expected:
+...while with parentheses, it works as expected:
 
 ```prql
 from employees