diff --git a/doc/tags/spaceless.rst b/doc/tags/spaceless.rst
index 2463c992d..0887c195e 100644
--- a/doc/tags/spaceless.rst
+++ b/doc/tags/spaceless.rst
@@ -3,7 +3,7 @@
 
 .. tip::
 
-    As of Twig 1.38, use the :doc:`spaceless <../filters/spaceless>` filter instead.
+    As of Twig 2.7, use the :doc:`spaceless <../filters/spaceless>` filter instead.
 
 Use the ``spaceless`` tag to remove whitespace *between HTML tags*, not
 whitespace within HTML tags or whitespace in plain text: