diff --git a/commands/gsd/new-project.md b/commands/gsd/new-project.md
index b940fdbd6..94140d5ac 100644
--- a/commands/gsd/new-project.md
+++ b/commands/gsd/new-project.md
@@ -259,10 +259,10 @@ Use AskUserQuestion:
 - header: "Parallelization"
 - question: "Enable parallel phase execution?"
 - options:
-  - "Enabled" — Run independent plans in parallel (Recommended)
-  - "Disabled" — Execute plans sequentially
+  - "Disabled" — Execute plans sequentially (Recommended)
+  - "Enabled" — Run independent plans in parallel (experimental, may not yield best results)
 
-**Parallelization allows `/gsd:execute-phase` to spawn multiple agents for independent plans.** Useful for "walk away, come back to completed work" execution. Can be changed later in config.json.
+**Parallelization is experimental.** When enabled, `/gsd:execute-phase` spawns multiple agents for independent plans. Still being refined—sequential execution is more reliable. Can be changed later in config.json.
 
 </step>