diff --git a/doc/src/python.rst b/doc/src/python.rst
index e5854faf46..5316fb28a5 100644
--- a/doc/src/python.rst
+++ b/doc/src/python.rst
@@ -129,6 +129,8 @@ The first argument of the *python* command is either the *source*
 keyword or the name of a Python function.  This defines the mode
 of the python command.
 
+.. versionchanged:: TBD
+
 If the *source* keyword is used, it is followed by either a file name or
 the *here* keyword.  No other keywords can be used.  The *here* keyword
 is followed by a string with python commands, either on a single line