diff --git a/crates/feature_flags/src/flags.rs b/crates/feature_flags/src/flags.rs
index 6fa46e48bea0b3d6b3bc482e2bfeee3eeb0e5702..99d9eecca43d44f58203800967bdf7f5f92fea9b 100644
--- a/crates/feature_flags/src/flags.rs
+++ b/crates/feature_flags/src/flags.rs
@@ -22,6 +22,9 @@ impl FeatureFlag for AgentV2FeatureFlag {
     }
 }
 
+/// A feature flag for granting access to beta ACP features.
+///
+/// We reuse this feature flag for new betas, so don't delete it if it is not currently in use.
 pub struct AcpBetaFeatureFlag;
 
 impl FeatureFlag for AcpBetaFeatureFlag {