diff --git a/doc/api/assert.md b/doc/api/assert.md
index 3e671e1ae4364d..62d76b659cc709 100644
--- a/doc/api/assert.md
+++ b/doc/api/assert.md
@@ -339,7 +339,7 @@ assert.notStrictEqual(1, 2);
   // OK
 
 assert.notStrictEqual(1, 1);
-  // AssertionError: 1 != 1
+  // AssertionError: 1 !== 1
 
 assert.notStrictEqual(1, '1');
   // OK