diff --git a/bottlecap/src/config/mod.rs b/bottlecap/src/config/mod.rs
index 0035a071c..f1922ff6d 100644
--- a/bottlecap/src/config/mod.rs
+++ b/bottlecap/src/config/mod.rs
@@ -77,8 +77,9 @@ pub struct LambdaConfig {
 
     /// Maximum number of request IDs whose logs are held in `held_logs` waiting for durable
     /// execution context. Set to 0 to disable log holding; logs will be flushed immediately
-    /// without durable execution context enrichment. Defaults to 0 until the tracer-side
-    /// durable execution support is released; set to 50 to re-enable enrichment.
+    /// without durable execution context enrichment. Holding begins at cold start, before the
+    /// extension knows whether the function is durable, and stops for non-durable functions
+    /// once `PlatformInitStart` resolves that.
     pub lambda_durable_function_log_buffer_size: usize,
 
     // Data Streams Monitoring
@@ -120,7 +121,7 @@ impl Default for LambdaConfig {
             api_security_enabled: true,
             api_security_sample_delay: Duration::from_secs(30),
             custom_metrics_exclude_tags: Vec::new(),
-            lambda_durable_function_log_buffer_size: 0,
+            lambda_durable_function_log_buffer_size: 5,
             dsm_consume_enabled: false,
             dsm_exchange_name: None,
             dsm_kafka_group: None,
@@ -197,7 +198,7 @@ pub struct LambdaConfigSource {
 
     /// `DD_LAMBDA_DURABLE_FUNCTION_LOG_BUFFER_SIZE` — max number of request IDs
     /// whose logs are held waiting for durable execution context. Defaults to
-    /// 0 (hold mechanism disabled).
+    /// 5; set to 0 to disable the hold mechanism.
     #[serde(deserialize_with = "deser_opt_lossless")]
     pub lambda_durable_function_log_buffer_size: Option<usize>,