diff --git a/docs/lang/articles/basic/offset.md b/docs/lang/articles/basic/offset.md
index a5be48b92669a..e78b3b1e75398 100644
--- a/docs/lang/articles/basic/offset.md
+++ b/docs/lang/articles/basic/offset.md
@@ -19,9 +19,9 @@ In this way, the field's indices are from `(-16, 8)` to `(16, 72)` (exclusive).
 
 ```python cont
 a[-16, 8]  # lower left corner
-a[16, 8]   # lower right corner
-a[-16, 72]  # upper left corner
-a[16, 72]   # upper right corner
+a[15, 8]   # lower right corner
+a[-16, 71]  # upper left corner
+a[15, 71]   # upper right corner
 ```
 
 :::note