diff --git a/Doc/library/mmap.rst b/Doc/library/mmap.rst
index abe5b7b..533034f 100644
--- a/Doc/library/mmap.rst
+++ b/Doc/library/mmap.rst
@@ -35,9 +35,7 @@
 file.  Assignment to an :const:`ACCESS_COPY` memory map affects memory but does
 not update the underlying file.
 
-.. versionchanged:: 2.5
-   To map anonymous memory, -1 should be passed as the fileno along with the
-   length.
+To map anonymous memory, -1 should be passed as the fileno along with the length.
 
 
 .. function:: mmap(fileno, length[, tagname[, access]])