diff --git a/doc/api/assert.md b/doc/api/assert.md
index 066a72215c658f..3db5f676886ca8 100644
--- a/doc/api/assert.md
+++ b/doc/api/assert.md
@@ -345,7 +345,7 @@ assert.notStrictEqual(1, 2);
 // OK
 
 assert.notStrictEqual(1, 1);
-// AssertionError: 1 != 1
+// AssertionError: 1 !== 1
 
 assert.notStrictEqual(1, '1');
 // OK