diff --git a/connections/implementation/mediums/multiplex/multiplex_output_stream.cc b/connections/implementation/mediums/multiplex/multiplex_output_stream.cc
index bd35e33c..16f311b4 100644
--- a/connections/implementation/mediums/multiplex/multiplex_output_stream.cc
+++ b/connections/implementation/mediums/multiplex/multiplex_output_stream.cc
@@ -116,7 +116,6 @@ bool MultiplexOutputStream::Close(const std::string& service_id) {
     return false;
   }
 
-  // auto service_id_hash_salt = item->second->GetServiceIdHashSalt();
   item->second->Close();
   if (is_enabled_.Get()) {
     Future<bool> future;
diff --git a/connections/implementation/mediums/webrtc/connection_flow.cc b/connections/implementation/mediums/webrtc/connection_flow.cc
index 7de219f9..ef01a825 100644
--- a/connections/implementation/mediums/webrtc/connection_flow.cc
+++ b/connections/implementation/mediums/webrtc/connection_flow.cc
@@ -306,7 +306,7 @@ bool ConnectionFlow::OnRemoteIceCandidatesReceived(
   pc->signaling_thread()->PostTask(
       [this, can_run_tasks = std::weak_ptr<void>(can_run_tasks_),
        candidates = std::move(ice_candidates)]() mutable {
-        // don't run the task if the weak_ptr is no longer valid.
+        // Don't run the task if the weak_ptr is no longer valid.
         if (!can_run_tasks.lock()) {
           return;
         }
@@ -529,7 +529,7 @@ bool ConnectionFlow::RunOnSignalingThread(Runnable&& runnable) {
   pc->signaling_thread()->PostTask(
       [can_run_tasks = std::weak_ptr<void>(can_run_tasks_),
        task = std::move(runnable)]() mutable {
-        // don't run the task if the weak_ptr is no longer valid.
+        // Don't run the task if the weak_ptr is no longer valid.
         // shared_ptr |can_run_tasks_| is destroyed on the same thread
         // (signaling thread). This guarantees that if the weak_ptr is valid
         // when this task starts, it will stay valid until the task ends.
diff --git a/connections/implementation/mediums/webrtc/data_channel_listener.h b/connections/implementation/mediums/webrtc/data_channel_listener.h
index 8e6edea8..17e6a0dc 100644
--- a/connections/implementation/mediums/webrtc/data_channel_listener.h
+++ b/connections/implementation/mediums/webrtc/data_channel_listener.h
@@ -26,7 +26,7 @@ namespace mediums {
 
 // Callbacks from the data channel.
 struct DataChannelListener {
-  // Called when the data channel is open and the socket wraper is ready to
+  // Called when the data channel is open and the socket wrapper is ready to
   // read and write.
   absl::AnyInvocable<void(WebRtcSocketWrapper)> data_channel_open_cb =
       [](WebRtcSocketWrapper) {};