diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index c29f50b..45c7651 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -2546,6 +2546,8 @@
 memoryview type
 ===============
 
+.. versionadded:: 2.7
+
 :class:`memoryview` objects allow Python code to access the internal data
 of an object that supports the buffer protocol without copying.  Memory
 is generally interpreted as simple bytes.