diff --git a/api/envoy/service/discovery/v3/discovery.proto b/api/envoy/service/discovery/v3/discovery.proto
index 860ad5ab6d0f9..c63d9e74355fa 100644
--- a/api/envoy/service/discovery/v3/discovery.proto
+++ b/api/envoy/service/discovery/v3/discovery.proto
@@ -284,7 +284,7 @@ message Resource {
   // light-weight "heartbeat" updates to keep a resource with a TTL alive.
   //
   // The TTL feature is meant to support configurations that should be removed in the event of
-  // a management server // failure. For example, the feature may be used for fault injection
+  // a management server failure. For example, the feature may be used for fault injection
   // testing where the fault injection should be terminated in the event that Envoy loses contact
   // with the management server.
   google.protobuf.Duration ttl = 6;
diff --git a/api/envoy/service/discovery/v4alpha/discovery.proto b/api/envoy/service/discovery/v4alpha/discovery.proto
index 2abf261bcd167..45f9a524db045 100644
--- a/api/envoy/service/discovery/v4alpha/discovery.proto
+++ b/api/envoy/service/discovery/v4alpha/discovery.proto
@@ -288,7 +288,7 @@ message Resource {
   // light-weight "heartbeat" updates to keep a resource with a TTL alive.
   //
   // The TTL feature is meant to support configurations that should be removed in the event of
-  // a management server // failure. For example, the feature may be used for fault injection
+  // a management server failure. For example, the feature may be used for fault injection
   // testing where the fault injection should be terminated in the event that Envoy loses contact
   // with the management server.
   google.protobuf.Duration ttl = 6;
diff --git a/generated_api_shadow/envoy/service/discovery/v3/discovery.proto b/generated_api_shadow/envoy/service/discovery/v3/discovery.proto
index 860ad5ab6d0f9..c63d9e74355fa 100644
--- a/generated_api_shadow/envoy/service/discovery/v3/discovery.proto
+++ b/generated_api_shadow/envoy/service/discovery/v3/discovery.proto
@@ -284,7 +284,7 @@ message Resource {
   // light-weight "heartbeat" updates to keep a resource with a TTL alive.
   //
   // The TTL feature is meant to support configurations that should be removed in the event of
-  // a management server // failure. For example, the feature may be used for fault injection
+  // a management server failure. For example, the feature may be used for fault injection
   // testing where the fault injection should be terminated in the event that Envoy loses contact
   // with the management server.
   google.protobuf.Duration ttl = 6;
diff --git a/generated_api_shadow/envoy/service/discovery/v4alpha/discovery.proto b/generated_api_shadow/envoy/service/discovery/v4alpha/discovery.proto
index 2abf261bcd167..45f9a524db045 100644
--- a/generated_api_shadow/envoy/service/discovery/v4alpha/discovery.proto
+++ b/generated_api_shadow/envoy/service/discovery/v4alpha/discovery.proto
@@ -288,7 +288,7 @@ message Resource {
   // light-weight "heartbeat" updates to keep a resource with a TTL alive.
   //
   // The TTL feature is meant to support configurations that should be removed in the event of
-  // a management server // failure. For example, the feature may be used for fault injection
+  // a management server failure. For example, the feature may be used for fault injection
   // testing where the fault injection should be terminated in the event that Envoy loses contact
   // with the management server.
   google.protobuf.Duration ttl = 6;