diff --git a/docs/howto/writing-migrations.txt b/docs/howto/writing-migrations.txt
index 8d5761485f..4596f64eb6 100644
--- a/docs/howto/writing-migrations.txt
+++ b/docs/howto/writing-migrations.txt
@@ -22,7 +22,7 @@ attribute::
     from django.db import migrations
 
     def forwards(apps, schema_editor):
-        if not schema_editor.connection.alias == 'default':
+        if schema_editor.connection.alias != 'default':
             return
         # Your migration code goes here