diff --git a/docs/da/031.md b/docs/da/031.md
index a426e46c..fa50f0b6 100644
--- a/docs/da/031.md
+++ b/docs/da/031.md
@@ -858,7 +858,7 @@ array([[ 0,  1,  2,  3,  4,  5],
 In [51]:
 
 ```py
-condition = array([0,1,1,0,1],
+condition = array([0,1,1,0,1,0],
                  dtype=bool)
 a[condition]
 
@@ -1182,4 +1182,4 @@ Out[69]:
 ```py
 (array([2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4], dtype=int64),
  array([3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4], dtype=int64))
-```
\ No newline at end of file
+```