diff --git a/doc/src/sgml/plpython.sgml b/doc/src/sgml/plpython.sgml
index d086ddf6ca..60a5907464 100644
--- a/doc/src/sgml/plpython.sgml
+++ b/doc/src/sgml/plpython.sgml
@@ -768,9 +768,9 @@ 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