diff --git a/Program.cs b/Program.cs
index 352265f..b81a769 100644
--- a/Program.cs
+++ b/Program.cs
@@ -9,7 +9,7 @@
 using OpenAI;
 
 // Secrets come from the .NET user-secrets store and from
-// environment variables (env vars win on key collisions).
+// environment variables (secrets win on key collisions).
 IConfiguration config = new ConfigurationBuilder()
     .AddEnvironmentVariables()
     .AddUserSecrets<Program>()
@@ -29,7 +29,6 @@ string GetRequired(string key) =>
 long maxTotalTokens = long.TryParse(config["MAX_TOTAL_TOKENS"], out long configuredMaxTotalTokens) ? configuredMaxTotalTokens : 40000;
 if (!Uri.TryCreate(openAiApiBase, UriKind.Absolute, out var uri))
 {
-    Console.WriteLine($"Invalid URI: '{openAiApiBase}'");
     throw new InvalidOperationException($"Invalid URI: '{openAiApiBase}'");
 }
 var openAIClient = new OpenAIClient(
@@ -69,6 +68,7 @@ string GetRequired(string key) =>
 
 var chatOptions = new ChatOptions
 {
+    Temperature = 0,
     MaxOutputTokens = maxOutputTokens
 };
 
diff --git a/Prompts.cs b/Prompts.cs
index 837b876..bb4f73e 100644
--- a/Prompts.cs
+++ b/Prompts.cs
@@ -24,7 +24,7 @@ software developers. Based on the current workflow state provided in the user
 - If research exists but no draft, choose "author"
 - If a draft exists and the reviewer said "APPROVED", choose "END"
 - If the draft needs revision, choose "author"
-- If revision_number >= 4, choose "END"
+- If revision_number >= 2, choose "END"
 
 Return the next step and a brief task description.
 """;