diff --git a/docsite/rst/developing_modules.rst b/docsite/rst/developing_modules.rst
index c50536d8e58..f1f5d4a2a23 100644
--- a/docsite/rst/developing_modules.rst
+++ b/docsite/rst/developing_modules.rst
@@ -209,7 +209,7 @@ This should return something like::
 Binary Modules Input
 ~~~~~~~~~~~~~~~~~~~~
 
-Support for binary modules was added in Ansible 2.1.  When Ansible detects a binary module, it will proceed to
+Support for binary modules was added in Ansible 2.2.  When Ansible detects a binary module, it will proceed to
 supply the argument input as a file on ``argv[1]`` that is formatted as JSON.  The JSON contents of that file
 would resemble something similar to::