diff --git a/doc/src/sgml/plpython.sgml b/doc/src/sgml/plpython.sgml
index 6eb884e0dc5..9fc8808776c 100644
--- a/doc/src/sgml/plpython.sgml
+++ b/doc/src/sgml/plpython.sgml
@@ -954,8 +954,8 @@ $$ LANGUAGE plpythonu;
plpy.fatal actually raise a Python exception
which, if uncaught, propagates out to the calling query, causing
the current transaction or subtransaction to be aborted.
- raise plpy.ERROR(msg>) and
- raise plpy.FATAL(msg>) are
+ raise plpy.Error(msg>) and
+ raise plpy.Fatal(msg>) are
equivalent to calling
plpy.error and
plpy.fatal, respectively.