diff -r 700783ed3415 -r f376c4d5c4b6 contrib/perf.py
--- a/contrib/perf.py	Tue Mar 26 08:39:08 2024 +0000
+++ b/contrib/perf.py	Tue Mar 26 08:43:20 2024 +0000
@@ -2084,7 +2084,8 @@
             b'',
             b'stream-version',
             b'latest',
-            b'stream version to use ("v1", "v2", "v3" or "latest", (the default))',
+            b'stream version to use ("v1", "v2", "v3-exp" '
+            b'or "latest", (the default))',
         ),
     ]
     + formatteropts,
@@ -2119,7 +2120,8 @@
             b'',
             b'stream-version',
             b'latest',
-            b'stream version to us ("v1", "v2" or "latest", (the default))',
+            b'stream version to us ("v1", "v2", "v3-exp" '
+            b'or "latest", (the default))',
         ),
     ]
     + formatteropts,