diff --git a/doc/src/sgml/plpython.sgml b/doc/src/sgml/plpython.sgml
index 905e757ab6..9929b84e6e 100644
--- a/doc/src/sgml/plpython.sgml
+++ b/doc/src/sgml/plpython.sgml
@@ -734,9 +734,9 @@ SELECT * FROM multiout_simple_setof(3);
Sharing Data
The global dictionary SD is available to store
- data between function calls. This variable is private static data.
+ private data between repeated calls to the same function.
The global dictionary GD is public data,
- available to all Python functions within a session. Use with
+ that is available to all Python functions within a session; use with
care.global data>
in PL/Python>